1229121278

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{1979}}^1$

素因数の和:2145

約数の個数: 64

約数和(自身を含む): 2383603200

約数和(自身を除く): 1154481922

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 109, 154, 218, 259, 407, 518, 763, 814, 1199, 1526, 1979, 2398, 2849, 3958, 4033, 5698, 8066, 8393, 13853, 16786, 21769, 27706, 28231, 43538, 44363, 56462, 73223, 88726, 146446, 152383, 215711, 304766, 310541, 431422, 512561, 621082, 805453, 1025122, 1509977, 1610906, 2372821, 3019954, 4745642, 5638171, 7981307, 11276342, 15962614, 16609747, 33219494, 55869149, 87794377, 111738298, 175588754, 614560639, 1229121278]

約数ペア:

[(1, 1229121278), (2, 614560639), (7, 175588754), (11, 111738298), (14, 87794377), (22, 55869149), (37, 33219494), (74, 16609747), (77, 15962614), (109, 11276342), (154, 7981307), (218, 5638171), (259, 4745642), (407, 3019954), (518, 2372821), (763, 1610906), (814, 1509977), (1199, 1025122), (1526, 805453), (1979, 621082), (2398, 512561), (2849, 431422), (3958, 310541), (4033, 304766), (5698, 215711), (8066, 152383), (8393, 146446), (13853, 88726), (16786, 73223), (21769, 56462), (27706, 44363), (28231, 43538)]