291218941

素因数分解:

${\mathrm{13}}^3\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:194

約数の個数: 32

約数和(自身を含む): 334666080

約数和(自身を除く): 43447139

約数列:

[1, 13, 41, 53, 61, 169, 533, 689, 793, 2173, 2197, 2501, 3233, 6929, 8957, 10309, 28249, 32513, 42029, 90077, 116441, 132553, 134017, 367237, 422669, 546377, 1723189, 4774081, 5494697, 7102901, 22401457, 291218941]

約数ペア:

[(1, 291218941), (13, 22401457), (41, 7102901), (53, 5494697), (61, 4774081), (169, 1723189), (533, 546377), (689, 422669), (793, 367237), (2173, 134017), (2197, 132553), (2501, 116441), (3233, 90077), (6929, 42029), (8957, 32513), (10309, 28249)]