28456256

素因数分解:

$2^6\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:307

約数の個数: 56

約数和(自身を含む): 59243976

約数和(自身を除く): 30787720

約数列:

[1, 2, 4, 8, 16, 32, 37, 61, 64, 74, 122, 148, 197, 244, 296, 394, 488, 592, 788, 976, 1184, 1576, 1952, 2257, 2368, 3152, 3904, 4514, 6304, 7289, 9028, 12017, 12608, 14578, 18056, 24034, 29156, 36112, 48068, 58312, 72224, 96136, 116624, 144448, 192272, 233248, 384544, 444629, 466496, 769088, 889258, 1778516, 3557032, 7114064, 14228128, 28456256]

約数ペア:

[(1, 28456256), (2, 14228128), (4, 7114064), (8, 3557032), (16, 1778516), (32, 889258), (37, 769088), (61, 466496), (64, 444629), (74, 384544), (122, 233248), (148, 192272), (197, 144448), (244, 116624), (296, 96136), (394, 72224), (488, 58312), (592, 48068), (788, 36112), (976, 29156), (1184, 24034), (1576, 18056), (1952, 14578), (2257, 12608), (2368, 12017), (3152, 9028), (3904, 7289), (4514, 6304)]