31216506

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^2$

素因数の和:219

約数の個数: 48

約数和(自身を含む): 67808160

約数和(自身を除く): 36591654

約数列:

[1, 2, 3, 6, 19, 38, 57, 61, 67, 114, 122, 134, 183, 201, 366, 402, 1159, 1273, 2318, 2546, 3477, 3819, 4087, 4489, 6954, 7638, 8174, 8978, 12261, 13467, 24522, 26934, 77653, 85291, 155306, 170582, 232959, 255873, 273829, 465918, 511746, 547658, 821487, 1642974, 5202751, 10405502, 15608253, 31216506]

約数ペア:

[(1, 31216506), (2, 15608253), (3, 10405502), (6, 5202751), (19, 1642974), (38, 821487), (57, 547658), (61, 511746), (67, 465918), (114, 273829), (122, 255873), (134, 232959), (183, 170582), (201, 155306), (366, 85291), (402, 77653), (1159, 26934), (1273, 24522), (2318, 13467), (2546, 12261), (3477, 8978), (3819, 8174), (4087, 7638), (4489, 6954)]