1997226

素因数分解:

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

素因数の和:168

約数の個数: 72

約数和(自身を含む): 5477472

約数和(自身を除く): 3480246

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 121, 126, 131, 154, 198, 231, 242, 262, 363, 393, 462, 693, 726, 786, 847, 917, 1089, 1179, 1386, 1441, 1694, 1834, 2178, 2358, 2541, 2751, 2882, 4323, 5082, 5502, 7623, 8253, 8646, 10087, 12969, 15246, 15851, 16506, 20174, 25938, 30261, 31702, 47553, 60522, 90783, 95106, 110957, 142659, 181566, 221914, 285318, 332871, 665742, 998613, 1997226]

約数ペア:

[(1, 1997226), (2, 998613), (3, 665742), (6, 332871), (7, 285318), (9, 221914), (11, 181566), (14, 142659), (18, 110957), (21, 95106), (22, 90783), (33, 60522), (42, 47553), (63, 31702), (66, 30261), (77, 25938), (99, 20174), (121, 16506), (126, 15851), (131, 15246), (154, 12969), (198, 10087), (231, 8646), (242, 8253), (262, 7623), (363, 5502), (393, 5082), (462, 4323), (693, 2882), (726, 2751), (786, 2541), (847, 2358), (917, 2178), (1089, 1834), (1179, 1694), (1386, 1441)]