990983812

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{32801}}^1$

素因数の和:32908

約数の個数: 48

約数和(自身を含む): 2160208512

約数和(自身を除く): 1169224700

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 83, 91, 166, 182, 332, 364, 581, 1079, 1162, 2158, 2324, 4316, 7553, 15106, 30212, 32801, 65602, 131204, 229607, 426413, 459214, 852826, 918428, 1705652, 2722483, 2984891, 5444966, 5969782, 10889932, 11939564, 19057381, 35392279, 38114762, 70784558, 76229524, 141569116, 247745953, 495491906, 990983812]

約数ペア:

[(1, 990983812), (2, 495491906), (4, 247745953), (7, 141569116), (13, 76229524), (14, 70784558), (26, 38114762), (28, 35392279), (52, 19057381), (83, 11939564), (91, 10889932), (166, 5969782), (182, 5444966), (332, 2984891), (364, 2722483), (581, 1705652), (1079, 918428), (1162, 852826), (2158, 459214), (2324, 426413), (4316, 229607), (7553, 131204), (15106, 65602), (30212, 32801)]