520799253

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 816480000

約数和(自身を除く): 295680747

約数列:

[1, 3, 13, 19, 39, 53, 57, 89, 149, 159, 247, 267, 447, 689, 741, 1007, 1157, 1691, 1937, 2067, 2831, 3021, 3471, 4717, 5073, 5811, 7897, 8493, 13091, 13261, 14151, 21983, 23691, 36803, 39273, 39783, 61321, 65949, 89623, 102661, 110409, 150043, 172393, 183963, 251959, 268869, 307983, 450129, 517179, 702833, 755877, 1165099, 1950559, 2108499, 3275467, 3495297, 5851677, 9136829, 9826401, 13353827, 27410487, 40061481, 173599751, 520799253]

約数ペア:

[(1, 520799253), (3, 173599751), (13, 40061481), (19, 27410487), (39, 13353827), (53, 9826401), (57, 9136829), (89, 5851677), (149, 3495297), (159, 3275467), (247, 2108499), (267, 1950559), (447, 1165099), (689, 755877), (741, 702833), (1007, 517179), (1157, 450129), (1691, 307983), (1937, 268869), (2067, 251959), (2831, 183963), (3021, 172393), (3471, 150043), (4717, 110409), (5073, 102661), (5811, 89623), (7897, 65949), (8493, 61321), (13091, 39783), (13261, 39273), (14151, 36803), (21983, 23691)]