218369996

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1601}}^1$

素因数の和:1722

約数の個数: 48

約数和(自身を含む): 428285088

約数和(自身を除く): 209915092

約数列:

[1, 2, 4, 13, 26, 43, 52, 61, 86, 122, 172, 244, 559, 793, 1118, 1586, 1601, 2236, 2623, 3172, 3202, 5246, 6404, 10492, 20813, 34099, 41626, 68198, 68843, 83252, 97661, 136396, 137686, 195322, 275372, 390644, 894959, 1269593, 1789918, 2539186, 3579836, 4199423, 5078372, 8398846, 16797692, 54592499, 109184998, 218369996]

約数ペア:

[(1, 218369996), (2, 109184998), (4, 54592499), (13, 16797692), (26, 8398846), (43, 5078372), (52, 4199423), (61, 3579836), (86, 2539186), (122, 1789918), (172, 1269593), (244, 894959), (559, 390644), (793, 275372), (1118, 195322), (1586, 137686), (1601, 136396), (2236, 97661), (2623, 83252), (3172, 68843), (3202, 68198), (5246, 41626), (6404, 34099), (10492, 20813)]