138575164

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^2$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 307251168

約数和(自身を除く): 168676004

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 61, 79, 91, 122, 158, 182, 244, 316, 364, 427, 553, 793, 854, 1027, 1106, 1586, 1708, 2054, 2212, 3172, 4108, 4819, 5551, 6241, 7189, 9638, 11102, 12482, 14378, 19276, 22204, 24964, 28756, 33733, 43687, 62647, 67466, 81133, 87374, 125294, 134932, 162266, 174748, 250588, 324532, 380701, 438529, 567931, 761402, 877058, 1135862, 1522804, 1754116, 2271724, 2664907, 4949113, 5329814, 9898226, 10659628, 19796452, 34643791, 69287582, 138575164]

約数ペア:

[(1, 138575164), (2, 69287582), (4, 34643791), (7, 19796452), (13, 10659628), (14, 9898226), (26, 5329814), (28, 4949113), (52, 2664907), (61, 2271724), (79, 1754116), (91, 1522804), (122, 1135862), (158, 877058), (182, 761402), (244, 567931), (316, 438529), (364, 380701), (427, 324532), (553, 250588), (793, 174748), (854, 162266), (1027, 134932), (1106, 125294), (1586, 87374), (1708, 81133), (2054, 67466), (2212, 62647), (3172, 43687), (4108, 33733), (4819, 28756), (5551, 24964), (6241, 22204), (7189, 19276), (9638, 14378), (11102, 12482)]