247970178

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{1231}}^1$

素因数の和:1308

約数の個数: 72

約数和(自身を含む): 585801216

約数和(自身を除く): 337831038

約数列:

[1, 2, 3, 6, 9, 18, 19, 31, 38, 57, 62, 93, 114, 171, 186, 279, 342, 361, 558, 589, 722, 1083, 1178, 1231, 1767, 2166, 2462, 3249, 3534, 3693, 5301, 6498, 7386, 10602, 11079, 11191, 22158, 22382, 23389, 33573, 38161, 46778, 67146, 70167, 76322, 100719, 114483, 140334, 201438, 210501, 228966, 343449, 421002, 444391, 686898, 725059, 888782, 1333173, 1450118, 2175177, 2666346, 3999519, 4350354, 6525531, 7999038, 13051062, 13776121, 27552242, 41328363, 82656726, 123985089, 247970178]

約数ペア:

[(1, 247970178), (2, 123985089), (3, 82656726), (6, 41328363), (9, 27552242), (18, 13776121), (19, 13051062), (31, 7999038), (38, 6525531), (57, 4350354), (62, 3999519), (93, 2666346), (114, 2175177), (171, 1450118), (186, 1333173), (279, 888782), (342, 725059), (361, 686898), (558, 444391), (589, 421002), (722, 343449), (1083, 228966), (1178, 210501), (1231, 201438), (1767, 140334), (2166, 114483), (2462, 100719), (3249, 76322), (3534, 70167), (3693, 67146), (5301, 46778), (6498, 38161), (7386, 33573), (10602, 23389), (11079, 22382), (11191, 22158)]