221856256

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:465

約数の個数: 80

約数和(自身を含む): 477290880

約数和(自身を除く): 255434624

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 71, 128, 136, 142, 256, 272, 284, 359, 512, 544, 568, 718, 1088, 1136, 1207, 1436, 2176, 2272, 2414, 2872, 4352, 4544, 4828, 5744, 6103, 8704, 9088, 9656, 11488, 12206, 18176, 19312, 22976, 24412, 25489, 36352, 38624, 45952, 48824, 50978, 77248, 91904, 97648, 101956, 154496, 183808, 195296, 203912, 308992, 390592, 407824, 433313, 617984, 781184, 815648, 866626, 1562368, 1631296, 1733252, 3124736, 3262592, 3466504, 6525184, 6933008, 13050368, 13866016, 27732032, 55464064, 110928128, 221856256]

約数ペア:

[(1, 221856256), (2, 110928128), (4, 55464064), (8, 27732032), (16, 13866016), (17, 13050368), (32, 6933008), (34, 6525184), (64, 3466504), (68, 3262592), (71, 3124736), (128, 1733252), (136, 1631296), (142, 1562368), (256, 866626), (272, 815648), (284, 781184), (359, 617984), (512, 433313), (544, 407824), (568, 390592), (718, 308992), (1088, 203912), (1136, 195296), (1207, 183808), (1436, 154496), (2176, 101956), (2272, 97648), (2414, 91904), (2872, 77248), (4352, 50978), (4544, 48824), (4828, 45952), (5744, 38624), (6103, 36352), (8704, 25489), (9088, 24412), (9656, 22976), (11488, 19312), (12206, 18176)]