81981432

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{87587}}^1$

素因数の和:87612

約数の個数: 48

約数和(自身を含む): 239115240

約数和(自身を除く): 157133808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 87587, 175174, 262761, 350348, 525522, 700696, 788283, 1051044, 1138631, 1576566, 2102088, 2277262, 3153132, 3415893, 4554524, 6306264, 6831786, 9109048, 10247679, 13663572, 20495358, 27327144, 40990716, 81981432]

約数ペア:

[(1, 81981432), (2, 40990716), (3, 27327144), (4, 20495358), (6, 13663572), (8, 10247679), (9, 9109048), (12, 6831786), (13, 6306264), (18, 4554524), (24, 3415893), (26, 3153132), (36, 2277262), (39, 2102088), (52, 1576566), (72, 1138631), (78, 1051044), (104, 788283), (117, 700696), (156, 525522), (234, 350348), (312, 262761), (468, 175174), (936, 87587)]