665742

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1$

素因数の和:165

約数の個数: 48

約数和(自身を含む): 1685376

約数和(自身を除く): 1019634

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 121, 131, 154, 231, 242, 262, 363, 393, 462, 726, 786, 847, 917, 1441, 1694, 1834, 2541, 2751, 2882, 4323, 5082, 5502, 8646, 10087, 15851, 20174, 30261, 31702, 47553, 60522, 95106, 110957, 221914, 332871, 665742]

約数ペア:

[(1, 665742), (2, 332871), (3, 221914), (6, 110957), (7, 95106), (11, 60522), (14, 47553), (21, 31702), (22, 30261), (33, 20174), (42, 15851), (66, 10087), (77, 8646), (121, 5502), (131, 5082), (154, 4323), (231, 2882), (242, 2751), (262, 2541), (363, 1834), (393, 1694), (462, 1441), (726, 917), (786, 847)]