128776116

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{389}}^1\times {\mathrm{563}}^1$

素因数の和:973

約数の個数: 72

約数和(自身を含む): 351056160

約数和(自身を除く): 222280044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 389, 563, 588, 778, 1126, 1167, 1556, 1689, 2252, 2334, 2723, 3378, 3941, 4668, 5446, 6756, 7882, 8169, 10892, 11823, 15764, 16338, 19061, 23646, 27587, 32676, 38122, 47292, 55174, 57183, 76244, 82761, 110348, 114366, 165522, 219007, 228732, 331044, 438014, 657021, 876028, 1314042, 1533049, 2628084, 3066098, 4599147, 6132196, 9198294, 10731343, 18396588, 21462686, 32194029, 42925372, 64388058, 128776116]

約数ペア:

[(1, 128776116), (2, 64388058), (3, 42925372), (4, 32194029), (6, 21462686), (7, 18396588), (12, 10731343), (14, 9198294), (21, 6132196), (28, 4599147), (42, 3066098), (49, 2628084), (84, 1533049), (98, 1314042), (147, 876028), (196, 657021), (294, 438014), (389, 331044), (563, 228732), (588, 219007), (778, 165522), (1126, 114366), (1167, 110348), (1556, 82761), (1689, 76244), (2252, 57183), (2334, 55174), (2723, 47292), (3378, 38122), (3941, 32676), (4668, 27587), (5446, 23646), (6756, 19061), (7882, 16338), (8169, 15764), (10892, 11823)]