645023448

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{288989}}^1$

素因数の和:289032

約数の個数: 48

約数和(自身を含む): 1803297600

約数和(自身を除く): 1158274152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 1116, 2232, 288989, 577978, 866967, 1155956, 1733934, 2311912, 2600901, 3467868, 5201802, 6935736, 8958659, 10403604, 17917318, 20807208, 26875977, 35834636, 53751954, 71669272, 80627931, 107503908, 161255862, 215007816, 322511724, 645023448]

約数ペア:

[(1, 645023448), (2, 322511724), (3, 215007816), (4, 161255862), (6, 107503908), (8, 80627931), (9, 71669272), (12, 53751954), (18, 35834636), (24, 26875977), (31, 20807208), (36, 17917318), (62, 10403604), (72, 8958659), (93, 6935736), (124, 5201802), (186, 3467868), (248, 2600901), (279, 2311912), (372, 1733934), (558, 1155956), (744, 866967), (1116, 577978), (2232, 288989)]