381805688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{127}}^2\times {\mathrm{269}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 790090200

約数和(自身を除く): 408284512

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 127, 254, 269, 508, 538, 1016, 1076, 1397, 2152, 2794, 2959, 5588, 5918, 11176, 11836, 16129, 23672, 32258, 34163, 64516, 68326, 129032, 136652, 177419, 273304, 354838, 375793, 709676, 751586, 1419352, 1503172, 3006344, 4338701, 8677402, 17354804, 34709608, 47725711, 95451422, 190902844, 381805688]

約数ペア:

[(1, 381805688), (2, 190902844), (4, 95451422), (8, 47725711), (11, 34709608), (22, 17354804), (44, 8677402), (88, 4338701), (127, 3006344), (254, 1503172), (269, 1419352), (508, 751586), (538, 709676), (1016, 375793), (1076, 354838), (1397, 273304), (2152, 177419), (2794, 136652), (2959, 129032), (5588, 68326), (5918, 64516), (11176, 34163), (11836, 32258), (16129, 23672)]