161996328

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1861}}^1$

素因数の和:1920

約数の個数: 128

約数和(自身を含む): 500505600

約数和(自身を除く): 338509272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 31, 36, 39, 52, 54, 62, 72, 78, 93, 104, 108, 117, 124, 156, 186, 216, 234, 248, 279, 312, 351, 372, 403, 468, 558, 702, 744, 806, 837, 936, 1116, 1209, 1404, 1612, 1674, 1861, 2232, 2418, 2808, 3224, 3348, 3627, 3722, 4836, 5583, 6696, 7254, 7444, 9672, 10881, 11166, 14508, 14888, 16749, 21762, 22332, 24193, 29016, 33498, 43524, 44664, 48386, 50247, 57691, 66996, 72579, 87048, 96772, 100494, 115382, 133992, 145158, 173073, 193544, 200988, 217737, 230764, 290316, 346146, 401976, 435474, 461528, 519219, 580632, 653211, 692292, 749983, 870948, 1038438, 1306422, 1384584, 1499966, 1557657, 1741896, 2076876, 2249949, 2612844, 2999932, 3115314, 4153752, 4499898, 5225688, 5999864, 6230628, 6749847, 8999796, 12461256, 13499694, 17999592, 20249541, 26999388, 40499082, 53998776, 80998164, 161996328]

約数ペア:

[(1, 161996328), (2, 80998164), (3, 53998776), (4, 40499082), (6, 26999388), (8, 20249541), (9, 17999592), (12, 13499694), (13, 12461256), (18, 8999796), (24, 6749847), (26, 6230628), (27, 5999864), (31, 5225688), (36, 4499898), (39, 4153752), (52, 3115314), (54, 2999932), (62, 2612844), (72, 2249949), (78, 2076876), (93, 1741896), (104, 1557657), (108, 1499966), (117, 1384584), (124, 1306422), (156, 1038438), (186, 870948), (216, 749983), (234, 692292), (248, 653211), (279, 580632), (312, 519219), (351, 461528), (372, 435474), (403, 401976), (468, 346146), (558, 290316), (702, 230764), (744, 217737), (806, 200988), (837, 193544), (936, 173073), (1116, 145158), (1209, 133992), (1404, 115382), (1612, 100494), (1674, 96772), (1861, 87048), (2232, 72579), (2418, 66996), (2808, 57691), (3224, 50247), (3348, 48386), (3627, 44664), (3722, 43524), (4836, 33498), (5583, 29016), (6696, 24193), (7254, 22332), (7444, 21762), (9672, 16749), (10881, 14888), (11166, 14508)]