209213307064

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{601}}^1\times {\mathrm{7673}}^1$

素因数の和:8440

約数の個数: 64

約数和(自身を含む): 404135555040

約数和(自身を除く): 194922247976

約数列:

[1, 2, 4, 8, 53, 106, 107, 212, 214, 424, 428, 601, 856, 1202, 2404, 4808, 5671, 7673, 11342, 15346, 22684, 30692, 31853, 45368, 61384, 63706, 64307, 127412, 128614, 254824, 257228, 406669, 514456, 813338, 821011, 1626676, 1642022, 3253352, 3284044, 3408271, 4611473, 6568088, 6816542, 9222946, 13633084, 18445892, 27266168, 36891784, 43513583, 87027166, 174054332, 244408069, 348108664, 488816138, 493427611, 977632276, 986855222, 1955264552, 1973710444, 3947420888, 26151663383, 52303326766, 104606653532, 209213307064]

約数ペア:

[(1, 209213307064), (2, 104606653532), (4, 52303326766), (8, 26151663383), (53, 3947420888), (106, 1973710444), (107, 1955264552), (212, 986855222), (214, 977632276), (424, 493427611), (428, 488816138), (601, 348108664), (856, 244408069), (1202, 174054332), (2404, 87027166), (4808, 43513583), (5671, 36891784), (7673, 27266168), (11342, 18445892), (15346, 13633084), (22684, 9222946), (30692, 6816542), (31853, 6568088), (45368, 4611473), (61384, 3408271), (63706, 3284044), (64307, 3253352), (127412, 1642022), (128614, 1626676), (254824, 821011), (257228, 813338), (406669, 514456)]