648266496

素因数分解:

$2^8\times 3^1\times {\mathrm{661}}^1\times {\mathrm{1277}}^1$

素因数の和:1957

約数の個数: 72

約数和(自身を含む): 1729297584

約数和(自身を除く): 1081031088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 661, 768, 1277, 1322, 1983, 2554, 2644, 3831, 3966, 5108, 5288, 7662, 7932, 10216, 10576, 15324, 15864, 20432, 21152, 30648, 31728, 40864, 42304, 61296, 63456, 81728, 84608, 122592, 126912, 163456, 169216, 245184, 253824, 326912, 490368, 507648, 844097, 980736, 1688194, 2532291, 3376388, 5064582, 6752776, 10129164, 13505552, 20258328, 27011104, 40516656, 54022208, 81033312, 108044416, 162066624, 216088832, 324133248, 648266496]

約数ペア:

[(1, 648266496), (2, 324133248), (3, 216088832), (4, 162066624), (6, 108044416), (8, 81033312), (12, 54022208), (16, 40516656), (24, 27011104), (32, 20258328), (48, 13505552), (64, 10129164), (96, 6752776), (128, 5064582), (192, 3376388), (256, 2532291), (384, 1688194), (661, 980736), (768, 844097), (1277, 507648), (1322, 490368), (1983, 326912), (2554, 253824), (2644, 245184), (3831, 169216), (3966, 163456), (5108, 126912), (5288, 122592), (7662, 84608), (7932, 81728), (10216, 63456), (10576, 61296), (15324, 42304), (15864, 40864), (20432, 31728), (21152, 30648)]