128740374

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{340583}}^1$

素因数の和:340601

約数の個数: 32

約数和(自身を含む): 326960640

約数和(自身を除く): 198220266

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 340583, 681166, 1021749, 2043498, 2384081, 3065247, 4768162, 6130494, 7152243, 9195741, 14304486, 18391482, 21456729, 42913458, 64370187, 128740374]

約数ペア:

[(1, 128740374), (2, 64370187), (3, 42913458), (6, 21456729), (7, 18391482), (9, 14304486), (14, 9195741), (18, 7152243), (21, 6130494), (27, 4768162), (42, 3065247), (54, 2384081), (63, 2043498), (126, 1021749), (189, 681166), (378, 340583)]