197958964

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1\times {\mathrm{311}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 402554880

約数和(自身を除く): 204595916

約数列:

[1, 2, 4, 7, 14, 28, 127, 179, 254, 311, 358, 508, 622, 716, 889, 1244, 1253, 1778, 2177, 2506, 3556, 4354, 5012, 8708, 22733, 39497, 45466, 55669, 78994, 90932, 111338, 157988, 159131, 222676, 276479, 318262, 389683, 552958, 636524, 779366, 1105916, 1558732, 7069963, 14139926, 28279852, 49489741, 98979482, 197958964]

約数ペア:

[(1, 197958964), (2, 98979482), (4, 49489741), (7, 28279852), (14, 14139926), (28, 7069963), (127, 1558732), (179, 1105916), (254, 779366), (311, 636524), (358, 552958), (508, 389683), (622, 318262), (716, 276479), (889, 222676), (1244, 159131), (1253, 157988), (1778, 111338), (2177, 90932), (2506, 78994), (3556, 55669), (4354, 45466), (5012, 39497), (8708, 22733)]