1988526465

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1181}}^1$

素因数の和:1311

約数の個数: 96

約数和(自身を含む): 3823552512

約数和(自身を除く): 1835026047

約数列:

[1, 3, 5, 9, 15, 17, 31, 45, 51, 71, 85, 93, 153, 155, 213, 255, 279, 355, 465, 527, 639, 765, 1065, 1181, 1207, 1395, 1581, 2201, 2635, 3195, 3543, 3621, 4743, 5905, 6035, 6603, 7905, 10629, 10863, 11005, 17715, 18105, 19809, 20077, 23715, 33015, 36611, 37417, 53145, 54315, 60231, 83851, 99045, 100385, 109833, 112251, 180693, 183055, 187085, 251553, 301155, 329499, 336753, 419255, 549165, 561255, 622387, 754659, 903465, 1257765, 1425467, 1647495, 1683765, 1867161, 2599381, 3111935, 3773295, 4276401, 5601483, 7127335, 7798143, 9335805, 12829203, 12996905, 21382005, 23394429, 28007415, 38990715, 44189477, 64146015, 116972145, 132568431, 220947385, 397705293, 662842155, 1988526465]

約数ペア:

[(1, 1988526465), (3, 662842155), (5, 397705293), (9, 220947385), (15, 132568431), (17, 116972145), (31, 64146015), (45, 44189477), (51, 38990715), (71, 28007415), (85, 23394429), (93, 21382005), (153, 12996905), (155, 12829203), (213, 9335805), (255, 7798143), (279, 7127335), (355, 5601483), (465, 4276401), (527, 3773295), (639, 3111935), (765, 2599381), (1065, 1867161), (1181, 1683765), (1207, 1647495), (1395, 1425467), (1581, 1257765), (2201, 903465), (2635, 754659), (3195, 622387), (3543, 561255), (3621, 549165), (4743, 419255), (5905, 336753), (6035, 329499), (6603, 301155), (7905, 251553), (10629, 187085), (10863, 183055), (11005, 180693), (17715, 112251), (18105, 109833), (19809, 100385), (20077, 99045), (23715, 83851), (33015, 60231), (36611, 54315), (37417, 53145)]