264745936

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:309

約数の個数: 120

約数和(自身を含む): 646994304

約数和(自身を除く): 382248368

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 71, 91, 104, 112, 142, 169, 182, 197, 208, 284, 338, 364, 394, 497, 568, 676, 728, 788, 923, 994, 1136, 1183, 1352, 1379, 1456, 1576, 1846, 1988, 2366, 2561, 2704, 2758, 3152, 3692, 3976, 4732, 5122, 5516, 6461, 7384, 7952, 9464, 10244, 11032, 11999, 12922, 13987, 14768, 17927, 18928, 20488, 22064, 23998, 25844, 27974, 33293, 35854, 40976, 47996, 51688, 55948, 66586, 71708, 83993, 95992, 97909, 103376, 111896, 133172, 143416, 167986, 181831, 191984, 195818, 223792, 233051, 266344, 286832, 335972, 363662, 391636, 466102, 532688, 671944, 727324, 783272, 932204, 1272817, 1343888, 1454648, 1566544, 1864408, 2363803, 2545634, 2909296, 3728816, 4727606, 5091268, 9455212, 10182536, 16546621, 18910424, 20365072, 33093242, 37820848, 66186484, 132372968, 264745936]

約数ペア:

[(1, 264745936), (2, 132372968), (4, 66186484), (7, 37820848), (8, 33093242), (13, 20365072), (14, 18910424), (16, 16546621), (26, 10182536), (28, 9455212), (52, 5091268), (56, 4727606), (71, 3728816), (91, 2909296), (104, 2545634), (112, 2363803), (142, 1864408), (169, 1566544), (182, 1454648), (197, 1343888), (208, 1272817), (284, 932204), (338, 783272), (364, 727324), (394, 671944), (497, 532688), (568, 466102), (676, 391636), (728, 363662), (788, 335972), (923, 286832), (994, 266344), (1136, 233051), (1183, 223792), (1352, 195818), (1379, 191984), (1456, 181831), (1576, 167986), (1846, 143416), (1988, 133172), (2366, 111896), (2561, 103376), (2704, 97909), (2758, 95992), (3152, 83993), (3692, 71708), (3976, 66586), (4732, 55948), (5122, 51688), (5516, 47996), (6461, 40976), (7384, 35854), (7952, 33293), (9464, 27974), (10244, 25844), (11032, 23998), (11999, 22064), (12922, 20488), (13987, 18928), (14768, 17927)]