81454178

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 148055040

約数和(自身を除く): 66600862

約数列:

[1, 2, 13, 19, 23, 26, 38, 46, 67, 107, 134, 214, 247, 299, 437, 494, 598, 871, 874, 1273, 1391, 1541, 1742, 2033, 2461, 2546, 2782, 3082, 4066, 4922, 5681, 7169, 11362, 14338, 16549, 20033, 26429, 29279, 31993, 33098, 40066, 46759, 52858, 58558, 63986, 93197, 93518, 136211, 164887, 186394, 272422, 329774, 380627, 607867, 761254, 1215734, 1770743, 2143531, 3132853, 3541486, 4287062, 6265706, 40727089, 81454178]

約数ペア:

[(1, 81454178), (2, 40727089), (13, 6265706), (19, 4287062), (23, 3541486), (26, 3132853), (38, 2143531), (46, 1770743), (67, 1215734), (107, 761254), (134, 607867), (214, 380627), (247, 329774), (299, 272422), (437, 186394), (494, 164887), (598, 136211), (871, 93518), (874, 93197), (1273, 63986), (1391, 58558), (1541, 52858), (1742, 46759), (2033, 40066), (2461, 33098), (2546, 31993), (2782, 29279), (3082, 26429), (4066, 20033), (4922, 16549), (5681, 14338), (7169, 11362)]