28078428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:347

約数の個数: 96

約数和(自身を含む): 80227840

約数和(自身を除く): 52149412

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 73, 76, 84, 114, 133, 146, 219, 228, 241, 266, 292, 399, 438, 482, 511, 532, 723, 798, 876, 964, 1022, 1387, 1446, 1533, 1596, 1687, 2044, 2774, 2892, 3066, 3374, 4161, 4579, 5061, 5548, 6132, 6748, 8322, 9158, 9709, 10122, 13737, 16644, 17593, 18316, 19418, 20244, 27474, 29127, 32053, 35186, 38836, 52779, 54948, 58254, 64106, 70372, 96159, 105558, 116508, 123151, 128212, 192318, 211116, 246302, 334267, 369453, 384636, 492604, 668534, 738906, 1002801, 1337068, 1477812, 2005602, 2339869, 4011204, 4679738, 7019607, 9359476, 14039214, 28078428]

約数ペア:

[(1, 28078428), (2, 14039214), (3, 9359476), (4, 7019607), (6, 4679738), (7, 4011204), (12, 2339869), (14, 2005602), (19, 1477812), (21, 1337068), (28, 1002801), (38, 738906), (42, 668534), (57, 492604), (73, 384636), (76, 369453), (84, 334267), (114, 246302), (133, 211116), (146, 192318), (219, 128212), (228, 123151), (241, 116508), (266, 105558), (292, 96159), (399, 70372), (438, 64106), (482, 58254), (511, 54948), (532, 52779), (723, 38836), (798, 35186), (876, 32053), (964, 29127), (1022, 27474), (1387, 20244), (1446, 19418), (1533, 18316), (1596, 17593), (1687, 16644), (2044, 13737), (2774, 10122), (2892, 9709), (3066, 9158), (3374, 8322), (4161, 6748), (4579, 6132), (5061, 5548)]