201213064

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1$

素因数の和:638

約数の個数: 64

約数和(自身を含む): 423360000

約数和(自身を除く): 222146936

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 139, 248, 278, 403, 449, 556, 806, 898, 1112, 1612, 1796, 1807, 3224, 3592, 3614, 4309, 5837, 7228, 8618, 11674, 13919, 14456, 17236, 23348, 27838, 34472, 46696, 55676, 56017, 62411, 111352, 112034, 124822, 180947, 224068, 249644, 361894, 448136, 499288, 723788, 811343, 1447576, 1622686, 1934741, 3245372, 3869482, 6490744, 7738964, 15477928, 25151633, 50303266, 100606532, 201213064]

約数ペア:

[(1, 201213064), (2, 100606532), (4, 50303266), (8, 25151633), (13, 15477928), (26, 7738964), (31, 6490744), (52, 3869482), (62, 3245372), (104, 1934741), (124, 1622686), (139, 1447576), (248, 811343), (278, 723788), (403, 499288), (449, 448136), (556, 361894), (806, 249644), (898, 224068), (1112, 180947), (1612, 124822), (1796, 112034), (1807, 111352), (3224, 62411), (3592, 56017), (3614, 55676), (4309, 46696), (5837, 34472), (7228, 27838), (8618, 23348), (11674, 17236), (13919, 14456)]