291681468

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{1249}}^1$

素因数の和:1771

約数の個数: 72

約数和(自身を含む): 796250000

約数和(自身を除く): 504568532

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 499, 998, 1249, 1497, 1996, 2498, 2994, 3747, 4491, 4996, 5988, 6487, 7494, 8982, 11241, 12974, 14988, 16237, 17964, 19461, 22482, 25948, 32474, 38922, 44964, 48711, 58383, 64948, 77844, 97422, 116766, 146133, 194844, 233532, 292266, 584532, 623251, 1246502, 1869753, 2493004, 3739506, 5609259, 7479012, 8102263, 11218518, 16204526, 22437036, 24306789, 32409052, 48613578, 72920367, 97227156, 145840734, 291681468]

約数ペア:

[(1, 291681468), (2, 145840734), (3, 97227156), (4, 72920367), (6, 48613578), (9, 32409052), (12, 24306789), (13, 22437036), (18, 16204526), (26, 11218518), (36, 8102263), (39, 7479012), (52, 5609259), (78, 3739506), (117, 2493004), (156, 1869753), (234, 1246502), (468, 623251), (499, 584532), (998, 292266), (1249, 233532), (1497, 194844), (1996, 146133), (2498, 116766), (2994, 97422), (3747, 77844), (4491, 64948), (4996, 58383), (5988, 48711), (6487, 44964), (7494, 38922), (8982, 32474), (11241, 25948), (12974, 22482), (14988, 19461), (16237, 17964)]