1264660990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{12289}}^1$

素因数の和:12588

約数の個数: 32

約数和(自身を含む): 2341392480

約数和(自身を除く): 1076731490

約数列:

[1, 2, 5, 10, 41, 82, 205, 251, 410, 502, 1255, 2510, 10291, 12289, 20582, 24578, 51455, 61445, 102910, 122890, 503849, 1007698, 2519245, 3084539, 5038490, 6169078, 15422695, 30845390, 126466099, 252932198, 632330495, 1264660990]

約数ペア:

[(1, 1264660990), (2, 632330495), (5, 252932198), (10, 126466099), (41, 30845390), (82, 15422695), (205, 6169078), (251, 5038490), (410, 3084539), (502, 2519245), (1255, 1007698), (2510, 503849), (10291, 122890), (12289, 102910), (20582, 61445), (24578, 51455)]