221016796

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{191}}^1$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 554545152

約数和(自身を除く): 333528356

約数列:

[1, 2, 4, 7, 11, 13, 14, 17, 22, 26, 28, 34, 44, 52, 68, 77, 91, 119, 143, 154, 182, 187, 191, 221, 238, 286, 289, 308, 364, 374, 382, 442, 476, 572, 578, 748, 764, 884, 1001, 1156, 1309, 1337, 1547, 2002, 2023, 2101, 2431, 2483, 2618, 2674, 3094, 3179, 3247, 3757, 4004, 4046, 4202, 4862, 4966, 5236, 5348, 6188, 6358, 6494, 7514, 8092, 8404, 9724, 9932, 12716, 12988, 14707, 15028, 17017, 17381, 22253, 22729, 26299, 27313, 29414, 34034, 34762, 35717, 41327, 42211, 44506, 45458, 52598, 54626, 55199, 58828, 68068, 69524, 71434, 82654, 84422, 89012, 90916, 105196, 109252, 110398, 142868, 165308, 168844, 191191, 220796, 250019, 289289, 295477, 382382, 386393, 464321, 500038, 578578, 590954, 607189, 717587, 764764, 772786, 928642, 1000076, 1157156, 1181908, 1214378, 1435174, 1545572, 1857284, 2428756, 2870348, 3250247, 4250323, 5023109, 6500494, 7893457, 8500646, 10046218, 13000988, 15786914, 17001292, 20092436, 31573828, 55254199, 110508398, 221016796]

約数ペア:

[(1, 221016796), (2, 110508398), (4, 55254199), (7, 31573828), (11, 20092436), (13, 17001292), (14, 15786914), (17, 13000988), (22, 10046218), (26, 8500646), (28, 7893457), (34, 6500494), (44, 5023109), (52, 4250323), (68, 3250247), (77, 2870348), (91, 2428756), (119, 1857284), (143, 1545572), (154, 1435174), (182, 1214378), (187, 1181908), (191, 1157156), (221, 1000076), (238, 928642), (286, 772786), (289, 764764), (308, 717587), (364, 607189), (374, 590954), (382, 578578), (442, 500038), (476, 464321), (572, 386393), (578, 382382), (748, 295477), (764, 289289), (884, 250019), (1001, 220796), (1156, 191191), (1309, 168844), (1337, 165308), (1547, 142868), (2002, 110398), (2023, 109252), (2101, 105196), (2431, 90916), (2483, 89012), (2618, 84422), (2674, 82654), (3094, 71434), (3179, 69524), (3247, 68068), (3757, 58828), (4004, 55199), (4046, 54626), (4202, 52598), (4862, 45458), (4966, 44506), (5236, 42211), (5348, 41327), (6188, 35717), (6358, 34762), (6494, 34034), (7514, 29414), (8092, 27313), (8404, 26299), (9724, 22729), (9932, 22253), (12716, 17381), (12988, 17017), (14707, 15028)]