491943712

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1031}}^1$

素因数の和:1122

約数の個数: 96

約数和(自身を含む): 1106832384

約数和(自身を除く): 614888672

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 37, 52, 62, 74, 104, 124, 148, 208, 248, 296, 403, 416, 481, 496, 592, 806, 962, 992, 1031, 1147, 1184, 1612, 1924, 2062, 2294, 3224, 3848, 4124, 4588, 6448, 7696, 8248, 9176, 12896, 13403, 14911, 15392, 16496, 18352, 26806, 29822, 31961, 32992, 36704, 38147, 53612, 59644, 63922, 76294, 107224, 119288, 127844, 152588, 214448, 238576, 255688, 305176, 415493, 428896, 477152, 495911, 511376, 610352, 830986, 991822, 1022752, 1182557, 1220704, 1661972, 1983644, 2365114, 3323944, 3967288, 4730228, 6647888, 7934576, 9460456, 13295776, 15373241, 15869152, 18920912, 30746482, 37841824, 61492964, 122985928, 245971856, 491943712]

約数ペア:

[(1, 491943712), (2, 245971856), (4, 122985928), (8, 61492964), (13, 37841824), (16, 30746482), (26, 18920912), (31, 15869152), (32, 15373241), (37, 13295776), (52, 9460456), (62, 7934576), (74, 6647888), (104, 4730228), (124, 3967288), (148, 3323944), (208, 2365114), (248, 1983644), (296, 1661972), (403, 1220704), (416, 1182557), (481, 1022752), (496, 991822), (592, 830986), (806, 610352), (962, 511376), (992, 495911), (1031, 477152), (1147, 428896), (1184, 415493), (1612, 305176), (1924, 255688), (2062, 238576), (2294, 214448), (3224, 152588), (3848, 127844), (4124, 119288), (4588, 107224), (6448, 76294), (7696, 63922), (8248, 59644), (9176, 53612), (12896, 38147), (13403, 36704), (14911, 32992), (15392, 31961), (16496, 29822), (18352, 26806)]