22212988

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 46434304

約数和(自身を除く): 24221316

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 157, 163, 217, 314, 326, 434, 628, 652, 868, 1099, 1141, 2198, 2282, 4396, 4564, 4867, 5053, 9734, 10106, 19468, 20212, 25591, 34069, 35371, 51182, 68138, 70742, 102364, 136276, 141484, 179137, 358274, 716548, 793321, 1586642, 3173284, 5553247, 11106494, 22212988]

約数ペア:

[(1, 22212988), (2, 11106494), (4, 5553247), (7, 3173284), (14, 1586642), (28, 793321), (31, 716548), (62, 358274), (124, 179137), (157, 141484), (163, 136276), (217, 102364), (314, 70742), (326, 68138), (434, 51182), (628, 35371), (652, 34069), (868, 25591), (1099, 20212), (1141, 19468), (2198, 10106), (2282, 9734), (4396, 5053), (4564, 4867)]