291216728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{106751}}^1$

素因数の和:106799

約数の個数: 32

約数和(自身を含む): 614891520

約数和(自身を除く): 323674792

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 106751, 213502, 427004, 854008, 1174261, 2348522, 3309281, 4697044, 6618562, 9394088, 13237124, 26474248, 36402091, 72804182, 145608364, 291216728]

約数ペア:

[(1, 291216728), (2, 145608364), (4, 72804182), (8, 36402091), (11, 26474248), (22, 13237124), (31, 9394088), (44, 6618562), (62, 4697044), (88, 3309281), (124, 2348522), (248, 1174261), (341, 854008), (682, 427004), (1364, 213502), (2728, 106751)]