165704890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{919}}^1$

素因数の和:1031

約数の個数: 64

約数和(自身を含む): 343123200

約数和(自身を除く): 177418310

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 73, 95, 130, 146, 190, 247, 365, 494, 730, 919, 949, 1235, 1387, 1838, 1898, 2470, 2774, 4595, 4745, 6935, 9190, 9490, 11947, 13870, 17461, 18031, 23894, 34922, 36062, 59735, 67087, 87305, 90155, 119470, 134174, 174610, 180310, 226993, 335435, 453986, 670870, 872131, 1134965, 1274653, 1744262, 2269930, 2549306, 4360655, 6373265, 8721310, 12746530, 16570489, 33140978, 82852445, 165704890]

約数ペア:

[(1, 165704890), (2, 82852445), (5, 33140978), (10, 16570489), (13, 12746530), (19, 8721310), (26, 6373265), (38, 4360655), (65, 2549306), (73, 2269930), (95, 1744262), (130, 1274653), (146, 1134965), (190, 872131), (247, 670870), (365, 453986), (494, 335435), (730, 226993), (919, 180310), (949, 174610), (1235, 134174), (1387, 119470), (1838, 90155), (1898, 87305), (2470, 67087), (2774, 59735), (4595, 36062), (4745, 34922), (6935, 23894), (9190, 18031), (9490, 17461), (11947, 13870)]