81768176

素因数分解:

$2^4\times 7^1\times {\mathrm{73}}^2\times {\mathrm{137}}^1$

素因数の和:298

約数の個数: 60

約数和(自身を含む): 184912272

約数和(自身を除く): 103144096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 73, 112, 137, 146, 274, 292, 511, 548, 584, 959, 1022, 1096, 1168, 1918, 2044, 2192, 3836, 4088, 5329, 7672, 8176, 10001, 10658, 15344, 20002, 21316, 37303, 40004, 42632, 70007, 74606, 80008, 85264, 140014, 149212, 160016, 280028, 298424, 560056, 596848, 730073, 1120112, 1460146, 2920292, 5110511, 5840584, 10221022, 11681168, 20442044, 40884088, 81768176]

約数ペア:

[(1, 81768176), (2, 40884088), (4, 20442044), (7, 11681168), (8, 10221022), (14, 5840584), (16, 5110511), (28, 2920292), (56, 1460146), (73, 1120112), (112, 730073), (137, 596848), (146, 560056), (274, 298424), (292, 280028), (511, 160016), (548, 149212), (584, 140014), (959, 85264), (1022, 80008), (1096, 74606), (1168, 70007), (1918, 42632), (2044, 40004), (2192, 37303), (3836, 21316), (4088, 20002), (5329, 15344), (7672, 10658), (8176, 10001)]