331333456

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 690812928

約数和(自身を除く): 359479472

約数列:

[1, 2, 4, 8, 16, 31, 47, 61, 62, 94, 122, 124, 188, 233, 244, 248, 376, 466, 488, 496, 752, 932, 976, 1457, 1864, 1891, 2867, 2914, 3728, 3782, 5734, 5828, 7223, 7564, 10951, 11468, 11656, 14213, 14446, 15128, 21902, 22936, 23312, 28426, 28892, 30256, 43804, 45872, 56852, 57784, 87608, 88877, 113704, 115568, 175216, 177754, 227408, 339481, 355508, 440603, 668011, 678962, 711016, 881206, 1336022, 1357924, 1422032, 1762412, 2672044, 2715848, 3524824, 5344088, 5431696, 7049648, 10688176, 20708341, 41416682, 82833364, 165666728, 331333456]

約数ペア:

[(1, 331333456), (2, 165666728), (4, 82833364), (8, 41416682), (16, 20708341), (31, 10688176), (47, 7049648), (61, 5431696), (62, 5344088), (94, 3524824), (122, 2715848), (124, 2672044), (188, 1762412), (233, 1422032), (244, 1357924), (248, 1336022), (376, 881206), (466, 711016), (488, 678962), (496, 668011), (752, 440603), (932, 355508), (976, 339481), (1457, 227408), (1864, 177754), (1891, 175216), (2867, 115568), (2914, 113704), (3728, 88877), (3782, 87608), (5734, 57784), (5828, 56852), (7223, 45872), (7564, 43804), (10951, 30256), (11468, 28892), (11656, 28426), (14213, 23312), (14446, 22936), (15128, 21902)]