681236402

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{4691}}^1$

素因数の和:4775

約数の個数: 64

約数和(自身を含む): 1362106368

約数和(自身を除く): 680869966

約数列:

[1, 2, 7, 11, 14, 22, 23, 41, 46, 77, 82, 154, 161, 253, 287, 322, 451, 506, 574, 902, 943, 1771, 1886, 3157, 3542, 4691, 6314, 6601, 9382, 10373, 13202, 20746, 32837, 51601, 65674, 72611, 103202, 107893, 145222, 192331, 215786, 361207, 384662, 722414, 755251, 1186823, 1346317, 1510502, 2115641, 2373646, 2692634, 4231282, 4423613, 8307761, 8847226, 14809487, 16615522, 29618974, 30965291, 48659743, 61930582, 97319486, 340618201, 681236402]

約数ペア:

[(1, 681236402), (2, 340618201), (7, 97319486), (11, 61930582), (14, 48659743), (22, 30965291), (23, 29618974), (41, 16615522), (46, 14809487), (77, 8847226), (82, 8307761), (154, 4423613), (161, 4231282), (253, 2692634), (287, 2373646), (322, 2115641), (451, 1510502), (506, 1346317), (574, 1186823), (902, 755251), (943, 722414), (1771, 384662), (1886, 361207), (3157, 215786), (3542, 192331), (4691, 145222), (6314, 107893), (6601, 103202), (9382, 72611), (10373, 65674), (13202, 51601), (20746, 32837)]