81849424

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:644

約数の個数: 60

約数和(自身を含む): 174199168

約数和(自身を除く): 92349744

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 289, 496, 527, 571, 578, 1054, 1142, 1156, 2108, 2284, 2312, 4216, 4568, 4624, 8432, 8959, 9136, 9707, 17701, 17918, 19414, 35402, 35836, 38828, 70804, 71672, 77656, 141608, 143344, 155312, 165019, 283216, 300917, 330038, 601834, 660076, 1203668, 1320152, 2407336, 2640304, 4814672, 5115589, 10231178, 20462356, 40924712, 81849424]

約数ペア:

[(1, 81849424), (2, 40924712), (4, 20462356), (8, 10231178), (16, 5115589), (17, 4814672), (31, 2640304), (34, 2407336), (62, 1320152), (68, 1203668), (124, 660076), (136, 601834), (248, 330038), (272, 300917), (289, 283216), (496, 165019), (527, 155312), (571, 143344), (578, 141608), (1054, 77656), (1142, 71672), (1156, 70804), (2108, 38828), (2284, 35836), (2312, 35402), (4216, 19414), (4568, 17918), (4624, 17701), (8432, 9707), (8959, 9136)]