128317526

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{281}}^1$

素因数の和:560

約数の個数: 32

約数和(自身を含む): 207709920

約数和(自身を除く): 79392394

約数列:

[1, 2, 19, 38, 61, 122, 197, 281, 394, 562, 1159, 2318, 3743, 5339, 7486, 10678, 12017, 17141, 24034, 34282, 55357, 110714, 228323, 325679, 456646, 651358, 1051783, 2103566, 3376777, 6753554, 64158763, 128317526]

約数ペア:

[(1, 128317526), (2, 64158763), (19, 6753554), (38, 3376777), (61, 2103566), (122, 1051783), (197, 651358), (281, 456646), (394, 325679), (562, 228323), (1159, 110714), (2318, 55357), (3743, 34282), (5339, 24034), (7486, 17141), (10678, 12017)]