919243390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:314

約数の個数: 96

約数和(自身を含む): 1866986496

約数和(自身を除く): 947743106

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 71, 94, 130, 142, 163, 169, 235, 326, 338, 355, 470, 611, 710, 815, 845, 923, 1222, 1630, 1690, 1846, 2119, 3055, 3337, 4238, 4615, 6110, 6674, 7661, 7943, 9230, 10595, 11573, 11999, 15322, 15886, 16685, 21190, 23146, 23998, 27547, 33370, 38305, 39715, 43381, 55094, 57865, 59995, 76610, 79430, 86762, 99593, 115730, 119990, 137735, 150449, 199186, 216905, 275470, 300898, 433810, 497965, 543931, 563953, 752245, 995930, 1087862, 1127906, 1294709, 1504490, 1955837, 2589418, 2719655, 2819765, 3911674, 5439310, 5639530, 6473545, 7071103, 9779185, 12947090, 14142206, 19558370, 35355515, 70711030, 91924339, 183848678, 459621695, 919243390]

約数ペア:

[(1, 919243390), (2, 459621695), (5, 183848678), (10, 91924339), (13, 70711030), (26, 35355515), (47, 19558370), (65, 14142206), (71, 12947090), (94, 9779185), (130, 7071103), (142, 6473545), (163, 5639530), (169, 5439310), (235, 3911674), (326, 2819765), (338, 2719655), (355, 2589418), (470, 1955837), (611, 1504490), (710, 1294709), (815, 1127906), (845, 1087862), (923, 995930), (1222, 752245), (1630, 563953), (1690, 543931), (1846, 497965), (2119, 433810), (3055, 300898), (3337, 275470), (4238, 216905), (4615, 199186), (6110, 150449), (6674, 137735), (7661, 119990), (7943, 115730), (9230, 99593), (10595, 86762), (11573, 79430), (11999, 76610), (15322, 59995), (15886, 57865), (16685, 55094), (21190, 43381), (23146, 39715), (23998, 38305), (27547, 33370)]