788894665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 1097349120

約数和(自身を除く): 308454455

約数列:

[1, 5, 13, 31, 53, 65, 83, 89, 155, 265, 403, 415, 445, 689, 1079, 1157, 1643, 2015, 2573, 2759, 3445, 4399, 4717, 5395, 5785, 7387, 8215, 12865, 13795, 21359, 21995, 23585, 33449, 35867, 36935, 57187, 61321, 96031, 106795, 136369, 146227, 167245, 179335, 228997, 285935, 306605, 391511, 480155, 681845, 731135, 1144985, 1772797, 1900951, 1957555, 2976961, 5089643, 8863985, 9504755, 12136841, 14884805, 25448215, 60684205, 157778933, 788894665]

約数ペア:

[(1, 788894665), (5, 157778933), (13, 60684205), (31, 25448215), (53, 14884805), (65, 12136841), (83, 9504755), (89, 8863985), (155, 5089643), (265, 2976961), (403, 1957555), (415, 1900951), (445, 1772797), (689, 1144985), (1079, 731135), (1157, 681845), (1643, 480155), (2015, 391511), (2573, 306605), (2759, 285935), (3445, 228997), (4399, 179335), (4717, 167245), (5395, 146227), (5785, 136369), (7387, 106795), (8215, 96031), (12865, 61321), (13795, 57187), (21359, 36935), (21995, 35867), (23585, 33449)]