438107488

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:277

約数の個数: 144

約数和(自身を含む): 1089075456

約数和(自身を除く): 650967968

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 71, 91, 104, 112, 142, 163, 169, 182, 208, 224, 284, 326, 338, 364, 416, 497, 568, 652, 676, 728, 923, 994, 1136, 1141, 1183, 1304, 1352, 1456, 1846, 1988, 2119, 2272, 2282, 2366, 2608, 2704, 2912, 3692, 3976, 4238, 4564, 4732, 5216, 5408, 6461, 7384, 7952, 8476, 9128, 9464, 11573, 11999, 12922, 14768, 14833, 15904, 16952, 18256, 18928, 23146, 23998, 25844, 27547, 29536, 29666, 33904, 36512, 37856, 46292, 47996, 51688, 55094, 59332, 67808, 81011, 83993, 92584, 95992, 103376, 110188, 118664, 150449, 162022, 167986, 185168, 191984, 192829, 206752, 220376, 237328, 300898, 324044, 335972, 370336, 383968, 385658, 440752, 474656, 601796, 648088, 671944, 771316, 881504, 1053143, 1203592, 1296176, 1343888, 1542632, 1955837, 2106286, 2407184, 2592352, 2687776, 3085264, 3911674, 4212572, 4814368, 6170528, 7823348, 8425144, 13690859, 15646696, 16850288, 27381718, 31293392, 33700576, 54763436, 62586784, 109526872, 219053744, 438107488]

約数ペア:

[(1, 438107488), (2, 219053744), (4, 109526872), (7, 62586784), (8, 54763436), (13, 33700576), (14, 31293392), (16, 27381718), (26, 16850288), (28, 15646696), (32, 13690859), (52, 8425144), (56, 7823348), (71, 6170528), (91, 4814368), (104, 4212572), (112, 3911674), (142, 3085264), (163, 2687776), (169, 2592352), (182, 2407184), (208, 2106286), (224, 1955837), (284, 1542632), (326, 1343888), (338, 1296176), (364, 1203592), (416, 1053143), (497, 881504), (568, 771316), (652, 671944), (676, 648088), (728, 601796), (923, 474656), (994, 440752), (1136, 385658), (1141, 383968), (1183, 370336), (1304, 335972), (1352, 324044), (1456, 300898), (1846, 237328), (1988, 220376), (2119, 206752), (2272, 192829), (2282, 191984), (2366, 185168), (2608, 167986), (2704, 162022), (2912, 150449), (3692, 118664), (3976, 110188), (4238, 103376), (4564, 95992), (4732, 92584), (5216, 83993), (5408, 81011), (6461, 67808), (7384, 59332), (7952, 55094), (8476, 51688), (9128, 47996), (9464, 46292), (11573, 37856), (11999, 36512), (12922, 33904), (14768, 29666), (14833, 29536), (15904, 27547), (16952, 25844), (18256, 23998), (18928, 23146)]