9980698

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:143

約数の個数: 64

約数和(自身を含む): 19998720

約数和(自身を除く): 10018022

約数列:

[1, 2, 7, 13, 14, 26, 29, 31, 58, 61, 62, 91, 122, 182, 203, 217, 377, 403, 406, 427, 434, 754, 793, 806, 854, 899, 1586, 1769, 1798, 1891, 2639, 2821, 3538, 3782, 5278, 5551, 5642, 6293, 11102, 11687, 12383, 12586, 13237, 22997, 23374, 24583, 24766, 26474, 45994, 49166, 54839, 81809, 109678, 160979, 163618, 172081, 321958, 344162, 383873, 712907, 767746, 1425814, 4990349, 9980698]

約数ペア:

[(1, 9980698), (2, 4990349), (7, 1425814), (13, 767746), (14, 712907), (26, 383873), (29, 344162), (31, 321958), (58, 172081), (61, 163618), (62, 160979), (91, 109678), (122, 81809), (182, 54839), (203, 49166), (217, 45994), (377, 26474), (403, 24766), (406, 24583), (427, 23374), (434, 22997), (754, 13237), (793, 12586), (806, 12383), (854, 11687), (899, 11102), (1586, 6293), (1769, 5642), (1798, 5551), (1891, 5278), (2639, 3782), (2821, 3538)]