2507778

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1531}}^1$

素因数の和:1559

約数の個数: 48

約数和(自身を含む): 6691776

約数和(自身を除く): 4183998

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1531, 1638, 3062, 4593, 9186, 10717, 13779, 19903, 21434, 27558, 32151, 39806, 59709, 64302, 96453, 119418, 139321, 179127, 192906, 278642, 358254, 417963, 835926, 1253889, 2507778]

約数ペア:

[(1, 2507778), (2, 1253889), (3, 835926), (6, 417963), (7, 358254), (9, 278642), (13, 192906), (14, 179127), (18, 139321), (21, 119418), (26, 96453), (39, 64302), (42, 59709), (63, 39806), (78, 32151), (91, 27558), (117, 21434), (126, 19903), (182, 13779), (234, 10717), (273, 9186), (546, 4593), (819, 3062), (1531, 1638)]