215840486

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{167}}^1$

素因数の和:448

約数の個数: 32

約数和(自身を含む): 338022720

約数和(自身を除く): 122182234

約数列:

[1, 2, 53, 89, 106, 137, 167, 178, 274, 334, 4717, 7261, 8851, 9434, 12193, 14522, 14863, 17702, 22879, 24386, 29726, 45758, 646229, 787739, 1212587, 1292458, 1575478, 2036231, 2425174, 4072462, 107920243, 215840486]

約数ペア:

[(1, 215840486), (2, 107920243), (53, 4072462), (89, 2425174), (106, 2036231), (137, 1575478), (167, 1292458), (178, 1212587), (274, 787739), (334, 646229), (4717, 45758), (7261, 29726), (8851, 24386), (9434, 22879), (12193, 17702), (14522, 14863)]