78311828

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1087}}^1$

素因数の和:1212

約数の個数: 48

約数和(自身を含む): 163774464

約数和(自身を除く): 85462636

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 83, 124, 166, 217, 332, 434, 581, 868, 1087, 1162, 2174, 2324, 2573, 4348, 5146, 7609, 10292, 15218, 18011, 30436, 33697, 36022, 67394, 72044, 90221, 134788, 180442, 235879, 360884, 471758, 631547, 943516, 1263094, 2526188, 2796851, 5593702, 11187404, 19577957, 39155914, 78311828]

約数ペア:

[(1, 78311828), (2, 39155914), (4, 19577957), (7, 11187404), (14, 5593702), (28, 2796851), (31, 2526188), (62, 1263094), (83, 943516), (124, 631547), (166, 471758), (217, 360884), (332, 235879), (434, 180442), (581, 134788), (868, 90221), (1087, 72044), (1162, 67394), (2174, 36022), (2324, 33697), (2573, 30436), (4348, 18011), (5146, 15218), (7609, 10292)]