8781136

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:228

約数の個数: 80

約数和(自身を含む): 21637504

約数和(自身を除く): 12856368

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 37, 52, 56, 74, 91, 104, 112, 148, 163, 182, 208, 259, 296, 326, 364, 481, 518, 592, 652, 728, 962, 1036, 1141, 1304, 1456, 1924, 2072, 2119, 2282, 2608, 3367, 3848, 4144, 4238, 4564, 6031, 6734, 7696, 8476, 9128, 12062, 13468, 14833, 16952, 18256, 24124, 26936, 29666, 33904, 42217, 48248, 53872, 59332, 78403, 84434, 96496, 118664, 156806, 168868, 237328, 313612, 337736, 548821, 627224, 675472, 1097642, 1254448, 2195284, 4390568, 8781136]

約数ペア:

[(1, 8781136), (2, 4390568), (4, 2195284), (7, 1254448), (8, 1097642), (13, 675472), (14, 627224), (16, 548821), (26, 337736), (28, 313612), (37, 237328), (52, 168868), (56, 156806), (74, 118664), (91, 96496), (104, 84434), (112, 78403), (148, 59332), (163, 53872), (182, 48248), (208, 42217), (259, 33904), (296, 29666), (326, 26936), (364, 24124), (481, 18256), (518, 16952), (592, 14833), (652, 13468), (728, 12062), (962, 9128), (1036, 8476), (1141, 7696), (1304, 6734), (1456, 6031), (1924, 4564), (2072, 4238), (2119, 4144), (2282, 3848), (2608, 3367)]