87431578

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{359}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 163296000

約数和(自身を除く): 75864422

約数列:

[1, 2, 13, 17, 19, 26, 29, 34, 38, 58, 221, 247, 323, 359, 377, 442, 493, 494, 551, 646, 718, 754, 986, 1102, 4199, 4667, 6103, 6409, 6821, 7163, 8398, 9334, 9367, 10411, 12206, 12818, 13642, 14326, 18734, 20822, 79339, 88673, 115957, 121771, 135343, 158678, 176987, 177346, 197809, 231914, 243542, 270686, 353974, 395618, 1507441, 2300831, 2571517, 3014882, 3362753, 4601662, 5143034, 6725506, 43715789, 87431578]

約数ペア:

[(1, 87431578), (2, 43715789), (13, 6725506), (17, 5143034), (19, 4601662), (26, 3362753), (29, 3014882), (34, 2571517), (38, 2300831), (58, 1507441), (221, 395618), (247, 353974), (323, 270686), (359, 243542), (377, 231914), (442, 197809), (493, 177346), (494, 176987), (551, 158678), (646, 135343), (718, 121771), (754, 115957), (986, 88673), (1102, 79339), (4199, 20822), (4667, 18734), (6103, 14326), (6409, 13642), (6821, 12818), (7163, 12206), (8398, 10411), (9334, 9367)]