64331090416

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{15443}}^1$

素因数の和:15734

約数の個数: 80

約数和(自身を含む): 133747511040

約数和(自身を除く): 69416420624

約数列:

[1, 2, 4, 8, 16, 19, 38, 71, 76, 142, 152, 193, 284, 304, 386, 568, 772, 1136, 1349, 1544, 2698, 3088, 3667, 5396, 7334, 10792, 13703, 14668, 15443, 21584, 27406, 29336, 30886, 54812, 58672, 61772, 109624, 123544, 219248, 247088, 260357, 293417, 520714, 586834, 1041428, 1096453, 1173668, 2082856, 2192906, 2347336, 2980499, 4165712, 4385812, 4694672, 5960998, 8771624, 11921996, 17543248, 20832607, 23843992, 41665214, 47687984, 56629481, 83330428, 113258962, 166660856, 211615429, 226517924, 333321712, 423230858, 453035848, 846461716, 906071696, 1692923432, 3385846864, 4020693151, 8041386302, 16082772604, 32165545208, 64331090416]

約数ペア:

[(1, 64331090416), (2, 32165545208), (4, 16082772604), (8, 8041386302), (16, 4020693151), (19, 3385846864), (38, 1692923432), (71, 906071696), (76, 846461716), (142, 453035848), (152, 423230858), (193, 333321712), (284, 226517924), (304, 211615429), (386, 166660856), (568, 113258962), (772, 83330428), (1136, 56629481), (1349, 47687984), (1544, 41665214), (2698, 23843992), (3088, 20832607), (3667, 17543248), (5396, 11921996), (7334, 8771624), (10792, 5960998), (13703, 4694672), (14668, 4385812), (15443, 4165712), (21584, 2980499), (27406, 2347336), (29336, 2192906), (30886, 2082856), (54812, 1173668), (58672, 1096453), (61772, 1041428), (109624, 586834), (123544, 520714), (219248, 293417), (247088, 260357)]