1871493118

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{461}}^1$

素因数の和:681

約数の個数: 64

約数和(自身を含む): 3276370944

約数和(自身を除く): 1404877826

約数列:

[1, 2, 11, 22, 23, 46, 71, 113, 142, 226, 253, 461, 506, 781, 922, 1243, 1562, 1633, 2486, 2599, 3266, 5071, 5198, 8023, 10142, 10603, 16046, 17963, 21206, 28589, 32731, 35926, 52093, 57178, 65462, 88253, 104186, 116633, 176506, 184529, 233266, 360041, 369058, 573023, 720082, 752813, 1146046, 1198139, 1505626, 2029819, 2396278, 3698603, 4059638, 7397206, 8280943, 13179529, 16561886, 26359058, 40684633, 81369266, 85067869, 170135738, 935746559, 1871493118]

約数ペア:

[(1, 1871493118), (2, 935746559), (11, 170135738), (22, 85067869), (23, 81369266), (46, 40684633), (71, 26359058), (113, 16561886), (142, 13179529), (226, 8280943), (253, 7397206), (461, 4059638), (506, 3698603), (781, 2396278), (922, 2029819), (1243, 1505626), (1562, 1198139), (1633, 1146046), (2486, 752813), (2599, 720082), (3266, 573023), (5071, 369058), (5198, 360041), (8023, 233266), (10142, 184529), (10603, 176506), (16046, 116633), (17963, 104186), (21206, 88253), (28589, 65462), (32731, 57178), (35926, 52093)]