1995316736

素因数分解:

$2^9\times 7^1\times {\mathrm{31}}^1\times {\mathrm{17959}}^1$

素因数の和:18015

約数の個数: 80

約数和(自身を含む): 4703508480

約数和(自身を除く): 2708191744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 512, 868, 896, 992, 1736, 1792, 1984, 3472, 3584, 3968, 6944, 7936, 13888, 15872, 17959, 27776, 35918, 55552, 71836, 111104, 125713, 143672, 251426, 287344, 502852, 556729, 574688, 1005704, 1113458, 1149376, 2011408, 2226916, 2298752, 3897103, 4022816, 4453832, 4597504, 7794206, 8045632, 8907664, 9195008, 15588412, 16091264, 17815328, 31176824, 32182528, 35630656, 62353648, 64365056, 71261312, 124707296, 142522624, 249414592, 285045248, 498829184, 997658368, 1995316736]

約数ペア:

[(1, 1995316736), (2, 997658368), (4, 498829184), (7, 285045248), (8, 249414592), (14, 142522624), (16, 124707296), (28, 71261312), (31, 64365056), (32, 62353648), (56, 35630656), (62, 32182528), (64, 31176824), (112, 17815328), (124, 16091264), (128, 15588412), (217, 9195008), (224, 8907664), (248, 8045632), (256, 7794206), (434, 4597504), (448, 4453832), (496, 4022816), (512, 3897103), (868, 2298752), (896, 2226916), (992, 2011408), (1736, 1149376), (1792, 1113458), (1984, 1005704), (3472, 574688), (3584, 556729), (3968, 502852), (6944, 287344), (7936, 251426), (13888, 143672), (15872, 125713), (17959, 111104), (27776, 71836), (35918, 55552)]