28080000002

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{1163}}^1$

素因数の和:1451

約数の個数: 64

約数和(自身を含む): 46161446400

約数和(自身を除く): 18081446398

約数列:

[1, 2, 17, 34, 79, 89, 101, 158, 178, 202, 1163, 1343, 1513, 1717, 2326, 2686, 3026, 3434, 7031, 7979, 8989, 14062, 15958, 17978, 19771, 39542, 91877, 103507, 117463, 119527, 135643, 152813, 183754, 207014, 234926, 239054, 271286, 305626, 710131, 1420262, 1561909, 1759619, 1996871, 3123818, 3519238, 3993742, 8177053, 9279577, 10454207, 12072227, 16354106, 18559154, 20908414, 24144454, 139009901, 157752809, 177721519, 278019802, 315505618, 355443038, 825882353, 1651764706, 14040000001, 28080000002]

約数ペア:

[(1, 28080000002), (2, 14040000001), (17, 1651764706), (34, 825882353), (79, 355443038), (89, 315505618), (101, 278019802), (158, 177721519), (178, 157752809), (202, 139009901), (1163, 24144454), (1343, 20908414), (1513, 18559154), (1717, 16354106), (2326, 12072227), (2686, 10454207), (3026, 9279577), (3434, 8177053), (7031, 3993742), (7979, 3519238), (8989, 3123818), (14062, 1996871), (15958, 1759619), (17978, 1561909), (19771, 1420262), (39542, 710131), (91877, 305626), (103507, 271286), (117463, 239054), (119527, 234926), (135643, 207014), (152813, 183754)]