313635644

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{991}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 639959040

約数和(自身を除く): 326323396

約数列:

[1, 2, 4, 7, 14, 28, 89, 127, 178, 254, 356, 508, 623, 889, 991, 1246, 1778, 1982, 2492, 3556, 3964, 6937, 11303, 13874, 22606, 27748, 45212, 79121, 88199, 125857, 158242, 176398, 251714, 316484, 352796, 503428, 617393, 880999, 1234786, 1761998, 2469572, 3523996, 11201273, 22402546, 44805092, 78408911, 156817822, 313635644]

約数ペア:

[(1, 313635644), (2, 156817822), (4, 78408911), (7, 44805092), (14, 22402546), (28, 11201273), (89, 3523996), (127, 2469572), (178, 1761998), (254, 1234786), (356, 880999), (508, 617393), (623, 503428), (889, 352796), (991, 316484), (1246, 251714), (1778, 176398), (1982, 158242), (2492, 125857), (3556, 88199), (3964, 79121), (6937, 45212), (11303, 27748), (13874, 22606)]