291209314

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{991}}^1$

素因数の和:1079

約数の個数: 48

約数和(自身を含む): 517038336

約数和(自身を除く): 225829022

約数列:

[1, 2, 11, 19, 22, 37, 38, 74, 209, 361, 407, 418, 703, 722, 814, 991, 1406, 1982, 3971, 7733, 7942, 10901, 13357, 15466, 18829, 21802, 26714, 36667, 37658, 73334, 146927, 207119, 293854, 357751, 403337, 414238, 696673, 715502, 806674, 1393346, 3935261, 7663403, 7870522, 13236787, 15326806, 26473574, 145604657, 291209314]

約数ペア:

[(1, 291209314), (2, 145604657), (11, 26473574), (19, 15326806), (22, 13236787), (37, 7870522), (38, 7663403), (74, 3935261), (209, 1393346), (361, 806674), (407, 715502), (418, 696673), (703, 414238), (722, 403337), (814, 357751), (991, 293854), (1406, 207119), (1982, 146927), (3971, 73334), (7733, 37658), (7942, 36667), (10901, 26714), (13357, 21802), (15466, 18829)]