211977532

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 407484000

約数和(自身を除く): 195506468

約数列:

[1, 2, 4, 13, 26, 52, 109, 149, 218, 251, 298, 436, 502, 596, 1004, 1417, 1937, 2834, 3263, 3874, 5668, 6526, 7748, 13052, 16241, 27359, 32482, 37399, 54718, 64964, 74798, 109436, 149596, 211133, 355667, 422266, 486187, 711334, 844532, 972374, 1422668, 1944748, 4076491, 8152982, 16305964, 52994383, 105988766, 211977532]

約数ペア:

[(1, 211977532), (2, 105988766), (4, 52994383), (13, 16305964), (26, 8152982), (52, 4076491), (109, 1944748), (149, 1422668), (218, 972374), (251, 844532), (298, 711334), (436, 486187), (502, 422266), (596, 355667), (1004, 211133), (1417, 149596), (1937, 109436), (2834, 74798), (3263, 64964), (3874, 54718), (5668, 37399), (6526, 32482), (7748, 27359), (13052, 16241)]