628945988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1\times {\mathrm{461}}^1$

素因数の和:884

約数の個数: 48

約数和(自身を含む): 1219192128

約数和(自身を除く): 590246140

約数列:

[1, 2, 4, 11, 22, 44, 101, 202, 307, 404, 461, 614, 922, 1111, 1228, 1844, 2222, 3377, 4444, 5071, 6754, 10142, 13508, 20284, 31007, 46561, 62014, 93122, 124028, 141527, 186244, 283054, 341077, 512171, 566108, 682154, 1024342, 1364308, 1556797, 2048684, 3113594, 6227188, 14294227, 28588454, 57176908, 157236497, 314472994, 628945988]

約数ペア:

[(1, 628945988), (2, 314472994), (4, 157236497), (11, 57176908), (22, 28588454), (44, 14294227), (101, 6227188), (202, 3113594), (307, 2048684), (404, 1556797), (461, 1364308), (614, 1024342), (922, 682154), (1111, 566108), (1228, 512171), (1844, 341077), (2222, 283054), (3377, 186244), (4444, 141527), (5071, 124028), (6754, 93122), (10142, 62014), (13508, 46561), (20284, 31007)]