256388848

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{73}}^2\times {\mathrm{97}}^1$

素因数の和:282

約数の個数: 60

約数和(自身を含む): 525258048

約数和(自身を除く): 268869200

約数列:

[1, 2, 4, 8, 16, 31, 62, 73, 97, 124, 146, 194, 248, 292, 388, 496, 584, 776, 1168, 1552, 2263, 3007, 4526, 5329, 6014, 7081, 9052, 10658, 12028, 14162, 18104, 21316, 24056, 28324, 36208, 42632, 48112, 56648, 85264, 113296, 165199, 219511, 330398, 439022, 516913, 660796, 878044, 1033826, 1321592, 1756088, 2067652, 2643184, 3512176, 4135304, 8270608, 16024303, 32048606, 64097212, 128194424, 256388848]

約数ペア:

[(1, 256388848), (2, 128194424), (4, 64097212), (8, 32048606), (16, 16024303), (31, 8270608), (62, 4135304), (73, 3512176), (97, 2643184), (124, 2067652), (146, 1756088), (194, 1321592), (248, 1033826), (292, 878044), (388, 660796), (496, 516913), (584, 439022), (776, 330398), (1168, 219511), (1552, 165199), (2263, 113296), (3007, 85264), (4526, 56648), (5329, 48112), (6014, 42632), (7081, 36208), (9052, 28324), (10658, 24056), (12028, 21316), (14162, 18104)]