642633472

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6229}}^1$

素因数の和:6289

約数の個数: 72

約数和(自身を含む): 1426221440

約数和(自身を除く): 783587968

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 806, 832, 992, 1612, 1664, 1984, 3224, 3328, 3968, 6229, 6448, 7936, 12458, 12896, 24916, 25792, 49832, 51584, 80977, 99664, 103168, 161954, 193099, 199328, 323908, 386198, 398656, 647816, 772396, 797312, 1295632, 1544792, 1594624, 2510287, 2591264, 3089584, 5020574, 5182528, 6179168, 10041148, 10365056, 12358336, 20082296, 20730112, 24716672, 40164592, 49433344, 80329184, 160658368, 321316736, 642633472]

約数ペア:

[(1, 642633472), (2, 321316736), (4, 160658368), (8, 80329184), (13, 49433344), (16, 40164592), (26, 24716672), (31, 20730112), (32, 20082296), (52, 12358336), (62, 10365056), (64, 10041148), (104, 6179168), (124, 5182528), (128, 5020574), (208, 3089584), (248, 2591264), (256, 2510287), (403, 1594624), (416, 1544792), (496, 1295632), (806, 797312), (832, 772396), (992, 647816), (1612, 398656), (1664, 386198), (1984, 323908), (3224, 199328), (3328, 193099), (3968, 161954), (6229, 103168), (6448, 99664), (7936, 80977), (12458, 51584), (12896, 49832), (24916, 25792)]