291239828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{1231}}^1$

素因数の和:1548

約数の個数: 48

約数和(自身を含む): 587811840

約数和(自身を除く): 296572012

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 283, 418, 566, 836, 1132, 1231, 2462, 3113, 4924, 5377, 6226, 10754, 12452, 13541, 21508, 23389, 27082, 46778, 54164, 59147, 93556, 118294, 236588, 257279, 348373, 514558, 696746, 1029116, 1393492, 3832103, 6619087, 7664206, 13238174, 15328412, 26476348, 72809957, 145619914, 291239828]

約数ペア:

[(1, 291239828), (2, 145619914), (4, 72809957), (11, 26476348), (19, 15328412), (22, 13238174), (38, 7664206), (44, 6619087), (76, 3832103), (209, 1393492), (283, 1029116), (418, 696746), (566, 514558), (836, 348373), (1132, 257279), (1231, 236588), (2462, 118294), (3113, 93556), (4924, 59147), (5377, 54164), (6226, 46778), (10754, 27082), (12452, 23389), (13541, 21508)]