31729012

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 69470016

約数和(自身を除く): 37741004

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 73, 76, 86, 133, 146, 172, 266, 292, 301, 361, 511, 532, 602, 722, 817, 1022, 1204, 1387, 1444, 1634, 2044, 2527, 2774, 3139, 3268, 5054, 5548, 5719, 6278, 9709, 10108, 11438, 12556, 15523, 19418, 21973, 22876, 26353, 31046, 38836, 43946, 52706, 59641, 62092, 87892, 105412, 108661, 119282, 184471, 217322, 238564, 368942, 417487, 434644, 737884, 834974, 1133179, 1669948, 2266358, 4532716, 7932253, 15864506, 31729012]

約数ペア:

[(1, 31729012), (2, 15864506), (4, 7932253), (7, 4532716), (14, 2266358), (19, 1669948), (28, 1133179), (38, 834974), (43, 737884), (73, 434644), (76, 417487), (86, 368942), (133, 238564), (146, 217322), (172, 184471), (266, 119282), (292, 108661), (301, 105412), (361, 87892), (511, 62092), (532, 59641), (602, 52706), (722, 43946), (817, 38836), (1022, 31046), (1204, 26353), (1387, 22876), (1444, 21973), (1634, 19418), (2044, 15523), (2527, 12556), (2774, 11438), (3139, 10108), (3268, 9709), (5054, 6278), (5548, 5719)]