128421228

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1171}}^1$

素因数の和:1247

約数の個数: 96

約数和(自身を含む): 349162240

約数和(自身を除く): 220741012

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 37, 38, 39, 52, 57, 74, 76, 78, 111, 114, 148, 156, 222, 228, 247, 444, 481, 494, 703, 741, 962, 988, 1171, 1406, 1443, 1482, 1924, 2109, 2342, 2812, 2886, 2964, 3513, 4218, 4684, 5772, 7026, 8436, 9139, 14052, 15223, 18278, 22249, 27417, 30446, 36556, 43327, 44498, 45669, 54834, 60892, 66747, 86654, 88996, 91338, 109668, 129981, 133494, 173308, 182676, 259962, 266988, 289237, 519924, 563251, 578474, 823213, 867711, 1126502, 1156948, 1646426, 1689753, 1735422, 2253004, 2469639, 3292852, 3379506, 3470844, 4939278, 6759012, 9878556, 10701769, 21403538, 32105307, 42807076, 64210614, 128421228]

約数ペア:

[(1, 128421228), (2, 64210614), (3, 42807076), (4, 32105307), (6, 21403538), (12, 10701769), (13, 9878556), (19, 6759012), (26, 4939278), (37, 3470844), (38, 3379506), (39, 3292852), (52, 2469639), (57, 2253004), (74, 1735422), (76, 1689753), (78, 1646426), (111, 1156948), (114, 1126502), (148, 867711), (156, 823213), (222, 578474), (228, 563251), (247, 519924), (444, 289237), (481, 266988), (494, 259962), (703, 182676), (741, 173308), (962, 133494), (988, 129981), (1171, 109668), (1406, 91338), (1443, 88996), (1482, 86654), (1924, 66747), (2109, 60892), (2342, 54834), (2812, 45669), (2886, 44498), (2964, 43327), (3513, 36556), (4218, 30446), (4684, 27417), (5772, 22249), (7026, 18278), (8436, 15223), (9139, 14052)]