4049131216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:561

約数の個数: 120

約数和(自身を含む): 8936428032

約数和(自身を除く): 4887296816

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 47, 52, 62, 94, 104, 124, 188, 208, 248, 376, 403, 431, 496, 611, 752, 806, 862, 961, 1222, 1457, 1612, 1724, 1922, 2444, 2914, 3224, 3448, 3844, 4888, 5603, 5828, 6448, 6896, 7688, 9776, 11206, 11656, 12493, 13361, 15376, 18941, 20257, 22412, 23312, 24986, 26722, 37882, 40514, 44824, 45167, 49972, 53444, 75764, 81028, 89648, 90334, 99944, 106888, 151528, 162056, 173693, 180668, 199888, 213776, 263341, 303056, 324112, 347386, 361336, 414191, 526682, 587171, 627967, 694772, 722672, 828382, 1053364, 1174342, 1255934, 1389544, 1656764, 2106728, 2348684, 2511868, 2779088, 3313528, 4213456, 4697368, 5023736, 5384483, 6627056, 8163571, 9394736, 10047472, 10768966, 16327142, 19466977, 21537932, 32654284, 38933954, 43075864, 65308568, 77867908, 86151728, 130617136, 155735816, 253070701, 311471632, 506141402, 1012282804, 2024565608, 4049131216]

約数ペア:

[(1, 4049131216), (2, 2024565608), (4, 1012282804), (8, 506141402), (13, 311471632), (16, 253070701), (26, 155735816), (31, 130617136), (47, 86151728), (52, 77867908), (62, 65308568), (94, 43075864), (104, 38933954), (124, 32654284), (188, 21537932), (208, 19466977), (248, 16327142), (376, 10768966), (403, 10047472), (431, 9394736), (496, 8163571), (611, 6627056), (752, 5384483), (806, 5023736), (862, 4697368), (961, 4213456), (1222, 3313528), (1457, 2779088), (1612, 2511868), (1724, 2348684), (1922, 2106728), (2444, 1656764), (2914, 1389544), (3224, 1255934), (3448, 1174342), (3844, 1053364), (4888, 828382), (5603, 722672), (5828, 694772), (6448, 627967), (6896, 587171), (7688, 526682), (9776, 414191), (11206, 361336), (11656, 347386), (12493, 324112), (13361, 303056), (15376, 263341), (18941, 213776), (20257, 199888), (22412, 180668), (23312, 173693), (24986, 162056), (26722, 151528), (37882, 106888), (40514, 99944), (44824, 90334), (45167, 89648), (49972, 81028), (53444, 75764)]