8463910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 19160064

約数和(自身を除く): 10696154

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 71, 91, 130, 131, 142, 182, 262, 355, 455, 497, 655, 710, 910, 917, 923, 994, 1310, 1703, 1834, 1846, 2485, 3406, 4585, 4615, 4970, 6461, 8515, 9170, 9230, 9301, 11921, 12922, 17030, 18602, 23842, 32305, 46505, 59605, 64610, 65107, 93010, 119210, 120913, 130214, 241826, 325535, 604565, 651070, 846391, 1209130, 1692782, 4231955, 8463910]

約数ペア:

[(1, 8463910), (2, 4231955), (5, 1692782), (7, 1209130), (10, 846391), (13, 651070), (14, 604565), (26, 325535), (35, 241826), (65, 130214), (70, 120913), (71, 119210), (91, 93010), (130, 65107), (131, 64610), (142, 59605), (182, 46505), (262, 32305), (355, 23842), (455, 18602), (497, 17030), (655, 12922), (710, 11921), (910, 9301), (917, 9230), (923, 9170), (994, 8515), (1310, 6461), (1703, 4970), (1834, 4615), (1846, 4585), (2485, 3406)]