51380316

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1087}}^1$

素因数の和:1211

約数の個数: 72

約数和(自身を含む): 141383424

約数和(自身を除く): 90003108

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 101, 117, 156, 202, 234, 303, 404, 468, 606, 909, 1087, 1212, 1313, 1818, 2174, 2626, 3261, 3636, 3939, 4348, 5252, 6522, 7878, 9783, 11817, 13044, 14131, 15756, 19566, 23634, 28262, 39132, 42393, 47268, 56524, 84786, 109787, 127179, 169572, 219574, 254358, 329361, 439148, 508716, 658722, 988083, 1317444, 1427231, 1976166, 2854462, 3952332, 4281693, 5708924, 8563386, 12845079, 17126772, 25690158, 51380316]

約数ペア:

[(1, 51380316), (2, 25690158), (3, 17126772), (4, 12845079), (6, 8563386), (9, 5708924), (12, 4281693), (13, 3952332), (18, 2854462), (26, 1976166), (36, 1427231), (39, 1317444), (52, 988083), (78, 658722), (101, 508716), (117, 439148), (156, 329361), (202, 254358), (234, 219574), (303, 169572), (404, 127179), (468, 109787), (606, 84786), (909, 56524), (1087, 47268), (1212, 42393), (1313, 39132), (1818, 28262), (2174, 23634), (2626, 19566), (3261, 15756), (3636, 14131), (3939, 13044), (4348, 11817), (5252, 9783), (6522, 7878)]