128614612

素因数分解:

$2^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 271048680

約数和(自身を除く): 142434068

約数列:

[1, 2, 4, 7, 14, 28, 49, 73, 89, 98, 101, 146, 178, 196, 202, 292, 356, 404, 511, 623, 707, 1022, 1246, 1414, 2044, 2492, 2828, 3577, 4361, 4949, 6497, 7154, 7373, 8722, 8989, 9898, 12994, 14308, 14746, 17444, 17978, 19796, 25988, 29492, 35956, 45479, 51611, 62923, 90958, 103222, 125846, 181916, 206444, 251692, 318353, 361277, 440461, 636706, 656197, 722554, 880922, 1273412, 1312394, 1445108, 1761844, 2624788, 4593379, 9186758, 18373516, 32153653, 64307306, 128614612]

約数ペア:

[(1, 128614612), (2, 64307306), (4, 32153653), (7, 18373516), (14, 9186758), (28, 4593379), (49, 2624788), (73, 1761844), (89, 1445108), (98, 1312394), (101, 1273412), (146, 880922), (178, 722554), (196, 656197), (202, 636706), (292, 440461), (356, 361277), (404, 318353), (511, 251692), (623, 206444), (707, 181916), (1022, 125846), (1246, 103222), (1414, 90958), (2044, 62923), (2492, 51611), (2828, 45479), (3577, 35956), (4361, 29492), (4949, 25988), (6497, 19796), (7154, 17978), (7373, 17444), (8722, 14746), (8989, 14308), (9898, 12994)]