168689885

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{79}}^1$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 267736320

約数和(自身を除く): 99046435

約数列:

[1, 5, 7, 13, 19, 35, 65, 79, 91, 95, 133, 169, 247, 361, 395, 455, 553, 665, 845, 1027, 1183, 1235, 1501, 1729, 1805, 2527, 2765, 3211, 4693, 5135, 5915, 7189, 7505, 8645, 10507, 12635, 13351, 16055, 19513, 22477, 23465, 28519, 32851, 35945, 52535, 61009, 66755, 93457, 97565, 112385, 136591, 142595, 164255, 199633, 253669, 305045, 370747, 427063, 467285, 682955, 998165, 1268345, 1775683, 1853735, 2135315, 2595229, 4819711, 8878415, 12976145, 24098555, 33737977, 168689885]

約数ペア:

[(1, 168689885), (5, 33737977), (7, 24098555), (13, 12976145), (19, 8878415), (35, 4819711), (65, 2595229), (79, 2135315), (91, 1853735), (95, 1775683), (133, 1268345), (169, 998165), (247, 682955), (361, 467285), (395, 427063), (455, 370747), (553, 305045), (665, 253669), (845, 199633), (1027, 164255), (1183, 142595), (1235, 136591), (1501, 112385), (1729, 97565), (1805, 93457), (2527, 66755), (2765, 61009), (3211, 52535), (4693, 35945), (5135, 32851), (5915, 28519), (7189, 23465), (7505, 22477), (8645, 19513), (10507, 16055), (12635, 13351)]