128591484

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{383}}^1\times {\mathrm{571}}^1$

素因数の和:975

約数の個数: 72

約数和(自身を含む): 350558208

約数和(自身を除く): 221966724

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 383, 571, 588, 766, 1142, 1149, 1532, 1713, 2284, 2298, 2681, 3426, 3997, 4596, 5362, 6852, 7994, 8043, 10724, 11991, 15988, 16086, 18767, 23982, 27979, 32172, 37534, 47964, 55958, 56301, 75068, 83937, 111916, 112602, 167874, 218693, 225204, 335748, 437386, 656079, 874772, 1312158, 1530851, 2624316, 3061702, 4592553, 6123404, 9185106, 10715957, 18370212, 21431914, 32147871, 42863828, 64295742, 128591484]

約数ペア:

[(1, 128591484), (2, 64295742), (3, 42863828), (4, 32147871), (6, 21431914), (7, 18370212), (12, 10715957), (14, 9185106), (21, 6123404), (28, 4592553), (42, 3061702), (49, 2624316), (84, 1530851), (98, 1312158), (147, 874772), (196, 656079), (294, 437386), (383, 335748), (571, 225204), (588, 218693), (766, 167874), (1142, 112602), (1149, 111916), (1532, 83937), (1713, 75068), (2284, 56301), (2298, 55958), (2681, 47964), (3426, 37534), (3997, 32172), (4596, 27979), (5362, 23982), (6852, 18767), (7994, 16086), (8043, 15988), (10724, 11991)]