218983814

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:333

約数の個数: 64

約数和(自身を含む): 406978560

約数和(自身を除く): 187994746

約数列:

[1, 2, 7, 14, 29, 31, 58, 62, 127, 137, 203, 217, 254, 274, 406, 434, 889, 899, 959, 1778, 1798, 1918, 3683, 3937, 3973, 4247, 6293, 7366, 7874, 7946, 8494, 12586, 17399, 25781, 27559, 27811, 29729, 34798, 51562, 55118, 55622, 59458, 114173, 121793, 123163, 228346, 243586, 246326, 504571, 539369, 799211, 862141, 1009142, 1078738, 1598422, 1724282, 3531997, 3775583, 7063994, 7551166, 15641701, 31283402, 109491907, 218983814]

約数ペア:

[(1, 218983814), (2, 109491907), (7, 31283402), (14, 15641701), (29, 7551166), (31, 7063994), (58, 3775583), (62, 3531997), (127, 1724282), (137, 1598422), (203, 1078738), (217, 1009142), (254, 862141), (274, 799211), (406, 539369), (434, 504571), (889, 246326), (899, 243586), (959, 228346), (1778, 123163), (1798, 121793), (1918, 114173), (3683, 59458), (3937, 55622), (3973, 55118), (4247, 51562), (6293, 34798), (7366, 29729), (7874, 27811), (7946, 27559), (8494, 25781), (12586, 17399)]