1291215184

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{145933}}^1$

素因数の和:146027

約数の個数: 40

約数和(自身を含む): 2895330560

約数和(自身を除く): 1604115376

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 316, 553, 632, 1106, 1264, 2212, 4424, 8848, 145933, 291866, 583732, 1021531, 1167464, 2043062, 2334928, 4086124, 8172248, 11528707, 16344496, 23057414, 46114828, 80700949, 92229656, 161401898, 184459312, 322803796, 645607592, 1291215184]

約数ペア:

[(1, 1291215184), (2, 645607592), (4, 322803796), (7, 184459312), (8, 161401898), (14, 92229656), (16, 80700949), (28, 46114828), (56, 23057414), (79, 16344496), (112, 11528707), (158, 8172248), (316, 4086124), (553, 2334928), (632, 2043062), (1106, 1167464), (1264, 1021531), (2212, 583732), (4424, 291866), (8848, 145933)]