291207928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{12211}}^1$

素因数の和:12499

約数の個数: 32

約数和(自身を含む): 597899520

約数和(自身を除く): 306691592

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 271, 542, 1084, 2168, 2981, 5962, 11924, 12211, 23848, 24422, 48844, 97688, 134321, 268642, 537284, 1074568, 3309181, 6618362, 13236724, 26473448, 36400991, 72801982, 145603964, 291207928]

約数ペア:

[(1, 291207928), (2, 145603964), (4, 72801982), (8, 36400991), (11, 26473448), (22, 13236724), (44, 6618362), (88, 3309181), (271, 1074568), (542, 537284), (1084, 268642), (2168, 134321), (2981, 97688), (5962, 48844), (11924, 24422), (12211, 23848)]