78312641617

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{359}}^1\times {\mathrm{2953}}^1$

素因数の和:3553

約数の個数: 32

約数和(自身を含む): 91779125760

約数和(自身を除く): 13466484143

約数列:

[1, 7, 61, 173, 359, 427, 1211, 2513, 2953, 10553, 20671, 21899, 62107, 73871, 153293, 180133, 434749, 510869, 1060127, 1260931, 3576083, 3788527, 7420889, 26519689, 31163009, 64667747, 183401971, 218141063, 452674229, 1283813797, 11187520231, 78312641617]

約数ペア:

[(1, 78312641617), (7, 11187520231), (61, 1283813797), (173, 452674229), (359, 218141063), (427, 183401971), (1211, 64667747), (2513, 31163009), (2953, 26519689), (10553, 7420889), (20671, 3788527), (21899, 3576083), (62107, 1260931), (73871, 1060127), (153293, 510869), (180133, 434749)]