391813812

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{911}}^1\times {\mathrm{919}}^1$

素因数の和:1853

約数の個数: 72

約数和(自身を含む): 1068936960

約数和(自身を除く): 677123148

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 911, 919, 1822, 1838, 2733, 2757, 3644, 3676, 5466, 5514, 8199, 8271, 10932, 11028, 11843, 11947, 16398, 16542, 23686, 23894, 32796, 33084, 35529, 35841, 47372, 47788, 71058, 71682, 106587, 107523, 142116, 143364, 213174, 215046, 426348, 430092, 837209, 1674418, 2511627, 3348836, 5023254, 7534881, 10046508, 10883717, 15069762, 21767434, 30139524, 32651151, 43534868, 65302302, 97953453, 130604604, 195906906, 391813812]

約数ペア:

[(1, 391813812), (2, 195906906), (3, 130604604), (4, 97953453), (6, 65302302), (9, 43534868), (12, 32651151), (13, 30139524), (18, 21767434), (26, 15069762), (36, 10883717), (39, 10046508), (52, 7534881), (78, 5023254), (117, 3348836), (156, 2511627), (234, 1674418), (468, 837209), (911, 430092), (919, 426348), (1822, 215046), (1838, 213174), (2733, 143364), (2757, 142116), (3644, 107523), (3676, 106587), (5466, 71682), (5514, 71058), (8199, 47788), (8271, 47372), (10932, 35841), (11028, 35529), (11843, 33084), (11947, 32796), (16398, 23894), (16542, 23686)]