313789568

素因数分解:

$2^7\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:437

約数の個数: 64

約数和(自身を含む): 639744000

約数和(自身を除く): 325954432

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 127, 128, 194, 199, 254, 388, 398, 508, 776, 796, 1016, 1552, 1592, 2032, 3104, 3184, 4064, 6208, 6368, 8128, 12319, 12416, 12736, 16256, 19303, 24638, 25273, 25472, 38606, 49276, 50546, 77212, 98552, 101092, 154424, 197104, 202184, 308848, 394208, 404368, 617696, 788416, 808736, 1235392, 1576832, 1617472, 2451481, 2470784, 3234944, 4902962, 9805924, 19611848, 39223696, 78447392, 156894784, 313789568]

約数ペア:

[(1, 313789568), (2, 156894784), (4, 78447392), (8, 39223696), (16, 19611848), (32, 9805924), (64, 4902962), (97, 3234944), (127, 2470784), (128, 2451481), (194, 1617472), (199, 1576832), (254, 1235392), (388, 808736), (398, 788416), (508, 617696), (776, 404368), (796, 394208), (1016, 308848), (1552, 202184), (1592, 197104), (2032, 154424), (3104, 101092), (3184, 98552), (4064, 77212), (6208, 50546), (6368, 49276), (8128, 38606), (12319, 25472), (12416, 25273), (12736, 24638), (16256, 19303)]