290432438

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:572

約数の個数: 32

約数和(自身を含む): 456382080

約数和(自身を除く): 165949642

約数列:

[1, 2, 41, 82, 83, 139, 166, 278, 307, 614, 3403, 5699, 6806, 11398, 11537, 12587, 23074, 25174, 25481, 42673, 50962, 85346, 473017, 946034, 1044721, 1749593, 2089442, 3499186, 3541859, 7083718, 145216219, 290432438]

約数ペア:

[(1, 290432438), (2, 145216219), (41, 7083718), (82, 3541859), (83, 3499186), (139, 2089442), (166, 1749593), (278, 1044721), (307, 946034), (614, 473017), (3403, 85346), (5699, 50962), (6806, 42673), (11398, 25481), (11537, 25174), (12587, 23074)]