1561794632

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1\times {\mathrm{571}}^1$

素因数の和:918

約数の個数: 64

約数和(自身を含む): 3113510400

約数和(自身を除く): 1551715768

約数列:

[1, 2, 4, 8, 31, 41, 62, 82, 124, 164, 248, 269, 328, 538, 571, 1076, 1142, 1271, 2152, 2284, 2542, 4568, 5084, 8339, 10168, 11029, 16678, 17701, 22058, 23411, 33356, 35402, 44116, 46822, 66712, 70804, 88232, 93644, 141608, 153599, 187288, 307198, 341899, 614396, 683798, 725741, 1228792, 1367596, 1451482, 2735192, 2902964, 4761569, 5805928, 6297559, 9523138, 12595118, 19046276, 25190236, 38092552, 50380472, 195224329, 390448658, 780897316, 1561794632]

約数ペア:

[(1, 1561794632), (2, 780897316), (4, 390448658), (8, 195224329), (31, 50380472), (41, 38092552), (62, 25190236), (82, 19046276), (124, 12595118), (164, 9523138), (248, 6297559), (269, 5805928), (328, 4761569), (538, 2902964), (571, 2735192), (1076, 1451482), (1142, 1367596), (1271, 1228792), (2152, 725741), (2284, 683798), (2542, 614396), (4568, 341899), (5084, 307198), (8339, 187288), (10168, 153599), (11029, 141608), (16678, 93644), (17701, 88232), (22058, 70804), (23411, 66712), (33356, 46822), (35402, 44116)]