991903056

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{20521}}^1$

素因数の和:20604

約数の個数: 80

約数和(自身を含む): 2748306240

約数和(自身を除く): 1756403184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 53, 57, 76, 106, 114, 152, 159, 212, 228, 304, 318, 424, 456, 636, 848, 912, 1007, 1272, 2014, 2544, 3021, 4028, 6042, 8056, 12084, 16112, 20521, 24168, 41042, 48336, 61563, 82084, 123126, 164168, 246252, 328336, 389899, 492504, 779798, 985008, 1087613, 1169697, 1559596, 2175226, 2339394, 3119192, 3262839, 4350452, 4678788, 6238384, 6525678, 8700904, 9357576, 13051356, 17401808, 18715152, 20664647, 26102712, 41329294, 52205424, 61993941, 82658588, 123987882, 165317176, 247975764, 330634352, 495951528, 991903056]

約数ペア:

[(1, 991903056), (2, 495951528), (3, 330634352), (4, 247975764), (6, 165317176), (8, 123987882), (12, 82658588), (16, 61993941), (19, 52205424), (24, 41329294), (38, 26102712), (48, 20664647), (53, 18715152), (57, 17401808), (76, 13051356), (106, 9357576), (114, 8700904), (152, 6525678), (159, 6238384), (212, 4678788), (228, 4350452), (304, 3262839), (318, 3119192), (424, 2339394), (456, 2175226), (636, 1559596), (848, 1169697), (912, 1087613), (1007, 985008), (1272, 779798), (2014, 492504), (2544, 389899), (3021, 328336), (4028, 246252), (6042, 164168), (8056, 123126), (12084, 82084), (16112, 61563), (20521, 48336), (24168, 41042)]