128666748

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{1723}}^1$

素因数の和:1871

約数の個数: 72

約数和(自身を含む): 352192512

約数和(自身を除く): 223525764

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 127, 147, 196, 254, 294, 381, 508, 588, 762, 889, 1524, 1723, 1778, 2667, 3446, 3556, 5169, 5334, 6223, 6892, 10338, 10668, 12061, 12446, 18669, 20676, 24122, 24892, 36183, 37338, 48244, 72366, 74676, 84427, 144732, 168854, 218821, 253281, 337708, 437642, 506562, 656463, 875284, 1013124, 1312926, 1531747, 2625852, 3063494, 4595241, 6126988, 9190482, 10722229, 18380964, 21444458, 32166687, 42888916, 64333374, 128666748]

約数ペア:

[(1, 128666748), (2, 64333374), (3, 42888916), (4, 32166687), (6, 21444458), (7, 18380964), (12, 10722229), (14, 9190482), (21, 6126988), (28, 4595241), (42, 3063494), (49, 2625852), (84, 1531747), (98, 1312926), (127, 1013124), (147, 875284), (196, 656463), (254, 506562), (294, 437642), (381, 337708), (508, 253281), (588, 218821), (762, 168854), (889, 144732), (1524, 84427), (1723, 74676), (1778, 72366), (2667, 48244), (3446, 37338), (3556, 36183), (5169, 24892), (5334, 24122), (6223, 20676), (6892, 18669), (10338, 12446), (10668, 12061)]