247337272

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{339749}}^1$

素因数の和:339775

約数の個数: 32

約数和(自身を含む): 570780000

約数和(自身を除く): 323442728

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 339749, 679498, 1358996, 2378243, 2717992, 4416737, 4756486, 8833474, 9512972, 17666948, 19025944, 30917159, 35333896, 61834318, 123668636, 247337272]

約数ペア:

[(1, 247337272), (2, 123668636), (4, 61834318), (7, 35333896), (8, 30917159), (13, 19025944), (14, 17666948), (26, 9512972), (28, 8833474), (52, 4756486), (56, 4416737), (91, 2717992), (104, 2378243), (182, 1358996), (364, 679498), (728, 339749)]