86991372

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{691}}^1$

素因数の和:983

約数の個数: 72

約数和(自身を含む): 238034160

約数和(自身を除く): 151042788

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 269, 468, 538, 691, 807, 1076, 1382, 1614, 2073, 2421, 2764, 3228, 3497, 4146, 4842, 6219, 6994, 8292, 8983, 9684, 10491, 12438, 13988, 17966, 20982, 24876, 26949, 31473, 35932, 41964, 53898, 62946, 80847, 107796, 125892, 161694, 185879, 323388, 371758, 557637, 743516, 1115274, 1672911, 2230548, 2416427, 3345822, 4832854, 6691644, 7249281, 9665708, 14498562, 21747843, 28997124, 43495686, 86991372]

約数ペア:

[(1, 86991372), (2, 43495686), (3, 28997124), (4, 21747843), (6, 14498562), (9, 9665708), (12, 7249281), (13, 6691644), (18, 4832854), (26, 3345822), (36, 2416427), (39, 2230548), (52, 1672911), (78, 1115274), (117, 743516), (156, 557637), (234, 371758), (269, 323388), (468, 185879), (538, 161694), (691, 125892), (807, 107796), (1076, 80847), (1382, 62946), (1614, 53898), (2073, 41964), (2421, 35932), (2764, 31473), (3228, 26949), (3497, 24876), (4146, 20982), (4842, 17966), (6219, 13988), (6994, 12438), (8292, 10491), (8983, 9684)]