164638705

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:430

約数の個数: 64

約数和(自身を含む): 263761920

約数和(自身を除く): 99123215

約数列:

[1, 5, 7, 11, 19, 35, 55, 71, 77, 95, 133, 209, 317, 355, 385, 497, 665, 781, 1045, 1349, 1463, 1585, 2219, 2485, 3487, 3905, 5467, 6023, 6745, 7315, 9443, 11095, 14839, 17435, 22507, 24409, 27335, 30115, 42161, 47215, 66253, 74195, 103873, 112535, 122045, 157549, 210805, 247577, 331265, 427633, 463771, 519365, 787745, 1237885, 1733039, 2138165, 2318855, 2993431, 4703963, 8665195, 14967155, 23519815, 32927741, 164638705]

約数ペア:

[(1, 164638705), (5, 32927741), (7, 23519815), (11, 14967155), (19, 8665195), (35, 4703963), (55, 2993431), (71, 2318855), (77, 2138165), (95, 1733039), (133, 1237885), (209, 787745), (317, 519365), (355, 463771), (385, 427633), (497, 331265), (665, 247577), (781, 210805), (1045, 157549), (1349, 122045), (1463, 112535), (1585, 103873), (2219, 74195), (2485, 66253), (3487, 47215), (3905, 42161), (5467, 30115), (6023, 27335), (6745, 24409), (7315, 22507), (9443, 17435), (11095, 14839)]