131831728

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1511}}^1$

素因数の和:1586

約数の個数: 80

約数和(自身を含む): 314979840

約数和(自身を除く): 183148112

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 41, 56, 76, 82, 112, 133, 152, 164, 266, 287, 304, 328, 532, 574, 656, 779, 1064, 1148, 1511, 1558, 2128, 2296, 3022, 3116, 4592, 5453, 6044, 6232, 10577, 10906, 12088, 12464, 21154, 21812, 24176, 28709, 42308, 43624, 57418, 61951, 84616, 87248, 114836, 123902, 169232, 200963, 229672, 247804, 401926, 433657, 459344, 495608, 803852, 867314, 991216, 1177069, 1607704, 1734628, 2354138, 3215408, 3469256, 4708276, 6938512, 8239483, 9416552, 16478966, 18833104, 32957932, 65915864, 131831728]

約数ペア:

[(1, 131831728), (2, 65915864), (4, 32957932), (7, 18833104), (8, 16478966), (14, 9416552), (16, 8239483), (19, 6938512), (28, 4708276), (38, 3469256), (41, 3215408), (56, 2354138), (76, 1734628), (82, 1607704), (112, 1177069), (133, 991216), (152, 867314), (164, 803852), (266, 495608), (287, 459344), (304, 433657), (328, 401926), (532, 247804), (574, 229672), (656, 200963), (779, 169232), (1064, 123902), (1148, 114836), (1511, 87248), (1558, 84616), (2128, 61951), (2296, 57418), (3022, 43624), (3116, 42308), (4592, 28709), (5453, 24176), (6044, 21812), (6232, 21154), (10577, 12464), (10906, 12088)]