642515796

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{661}}^1$

素因数の和:782

約数の個数: 144

約数和(自身を含む): 1835212288

約数和(自身を除く): 1192696492

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 67, 78, 93, 117, 124, 134, 156, 186, 201, 234, 268, 279, 372, 402, 403, 468, 558, 603, 661, 804, 806, 871, 1116, 1206, 1209, 1322, 1612, 1742, 1983, 2077, 2412, 2418, 2613, 2644, 3484, 3627, 3966, 4154, 4836, 5226, 5949, 6231, 7254, 7839, 7932, 8308, 8593, 10452, 11898, 12462, 14508, 15678, 17186, 18693, 20491, 23796, 24924, 25779, 27001, 31356, 34372, 37386, 40982, 44287, 51558, 54002, 61473, 74772, 77337, 81003, 81964, 88574, 103116, 108004, 122946, 132861, 154674, 162006, 177148, 184419, 243009, 245892, 265722, 266383, 309348, 324012, 368838, 398583, 486018, 531444, 532766, 575731, 737676, 797166, 799149, 972036, 1065532, 1151462, 1372897, 1594332, 1598298, 1727193, 2302924, 2397447, 2745794, 3196596, 3454386, 4118691, 4794894, 5181579, 5491588, 6908772, 8237382, 9589788, 10363158, 12356073, 16474764, 17847661, 20726316, 24712146, 35695322, 49424292, 53542983, 71390644, 107085966, 160628949, 214171932, 321257898, 642515796]

約数ペア:

[(1, 642515796), (2, 321257898), (3, 214171932), (4, 160628949), (6, 107085966), (9, 71390644), (12, 53542983), (13, 49424292), (18, 35695322), (26, 24712146), (31, 20726316), (36, 17847661), (39, 16474764), (52, 12356073), (62, 10363158), (67, 9589788), (78, 8237382), (93, 6908772), (117, 5491588), (124, 5181579), (134, 4794894), (156, 4118691), (186, 3454386), (201, 3196596), (234, 2745794), (268, 2397447), (279, 2302924), (372, 1727193), (402, 1598298), (403, 1594332), (468, 1372897), (558, 1151462), (603, 1065532), (661, 972036), (804, 799149), (806, 797166), (871, 737676), (1116, 575731), (1206, 532766), (1209, 531444), (1322, 486018), (1612, 398583), (1742, 368838), (1983, 324012), (2077, 309348), (2412, 266383), (2418, 265722), (2613, 245892), (2644, 243009), (3484, 184419), (3627, 177148), (3966, 162006), (4154, 154674), (4836, 132861), (5226, 122946), (5949, 108004), (6231, 103116), (7254, 88574), (7839, 81964), (7932, 81003), (8308, 77337), (8593, 74772), (10452, 61473), (11898, 54002), (12462, 51558), (14508, 44287), (15678, 40982), (17186, 37386), (18693, 34372), (20491, 31356), (23796, 27001), (24924, 25779)]