127850905

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:710

約数の個数: 64

約数和(自身を含む): 207728640

約数和(自身を除く): 79877735

約数列:

[1, 5, 7, 13, 19, 23, 35, 65, 91, 95, 115, 133, 161, 247, 299, 437, 455, 643, 665, 805, 1235, 1495, 1729, 2093, 2185, 3059, 3215, 4501, 5681, 8359, 8645, 10465, 12217, 14789, 15295, 22505, 28405, 39767, 41795, 58513, 61085, 73945, 85519, 103523, 158821, 192257, 198835, 280991, 292565, 427595, 517615, 794105, 961285, 1111747, 1345799, 1404955, 1966937, 3652883, 5558735, 6728995, 9834685, 18264415, 25570181, 127850905]

約数ペア:

[(1, 127850905), (5, 25570181), (7, 18264415), (13, 9834685), (19, 6728995), (23, 5558735), (35, 3652883), (65, 1966937), (91, 1404955), (95, 1345799), (115, 1111747), (133, 961285), (161, 794105), (247, 517615), (299, 427595), (437, 292565), (455, 280991), (643, 198835), (665, 192257), (805, 158821), (1235, 103523), (1495, 85519), (1729, 73945), (2093, 61085), (2185, 58513), (3059, 41795), (3215, 39767), (4501, 28405), (5681, 22505), (8359, 15295), (8645, 14789), (10465, 12217)]