7891338

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 19756800

約数和(自身を除く): 11865462

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 97, 149, 182, 194, 273, 291, 298, 447, 546, 582, 679, 894, 1043, 1261, 1358, 1937, 2037, 2086, 2522, 3129, 3783, 3874, 4074, 5811, 6258, 7566, 8827, 11622, 13559, 14453, 17654, 26481, 27118, 28906, 40677, 43359, 52962, 81354, 86718, 101171, 187889, 202342, 303513, 375778, 563667, 607026, 1127334, 1315223, 2630446, 3945669, 7891338]

約数ペア:

[(1, 7891338), (2, 3945669), (3, 2630446), (6, 1315223), (7, 1127334), (13, 607026), (14, 563667), (21, 375778), (26, 303513), (39, 202342), (42, 187889), (78, 101171), (91, 86718), (97, 81354), (149, 52962), (182, 43359), (194, 40677), (273, 28906), (291, 27118), (298, 26481), (447, 17654), (546, 14453), (582, 13559), (679, 11622), (894, 8827), (1043, 7566), (1261, 6258), (1358, 5811), (1937, 4074), (2037, 3874), (2086, 3783), (2522, 3129)]