81429649

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 102009600

約数和(自身を除く): 20579951

約数列:

[1, 7, 19, 41, 109, 133, 137, 287, 763, 779, 959, 2071, 2603, 4469, 5453, 5617, 14497, 14933, 18221, 31283, 39319, 84911, 104531, 106723, 283727, 594377, 612253, 747061, 1986089, 4285771, 11632807, 81429649]

約数ペア:

[(1, 81429649), (7, 11632807), (19, 4285771), (41, 1986089), (109, 747061), (133, 612253), (137, 594377), (287, 283727), (763, 106723), (779, 104531), (959, 84911), (2071, 39319), (2603, 31283), (4469, 18221), (5453, 14933), (5617, 14497)]