257887704

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{1913}}^1$

素因数の和:2100

約数の個数: 64

約数和(自身を含む): 665612640

約数和(自身を除く): 407724936

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 137, 164, 246, 274, 328, 411, 492, 548, 822, 984, 1096, 1644, 1913, 3288, 3826, 5617, 5739, 7652, 11234, 11478, 15304, 16851, 22468, 22956, 33702, 44936, 45912, 67404, 78433, 134808, 156866, 235299, 262081, 313732, 470598, 524162, 627464, 786243, 941196, 1048324, 1572486, 1882392, 2096648, 3144972, 6289944, 10745321, 21490642, 32235963, 42981284, 64471926, 85962568, 128943852, 257887704]

約数ペア:

[(1, 257887704), (2, 128943852), (3, 85962568), (4, 64471926), (6, 42981284), (8, 32235963), (12, 21490642), (24, 10745321), (41, 6289944), (82, 3144972), (123, 2096648), (137, 1882392), (164, 1572486), (246, 1048324), (274, 941196), (328, 786243), (411, 627464), (492, 524162), (548, 470598), (822, 313732), (984, 262081), (1096, 235299), (1644, 156866), (1913, 134808), (3288, 78433), (3826, 67404), (5617, 45912), (5739, 44936), (7652, 33702), (11234, 22956), (11478, 22468), (15304, 16851)]