398223232

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:300

約数の個数: 128

約数和(自身を含む): 930631680

約数和(自身を除く): 532408448

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 64, 68, 88, 127, 128, 131, 136, 176, 187, 254, 262, 272, 352, 374, 508, 524, 544, 704, 748, 1016, 1048, 1088, 1397, 1408, 1441, 1496, 2032, 2096, 2159, 2176, 2227, 2794, 2882, 2992, 4064, 4192, 4318, 4454, 5588, 5764, 5984, 8128, 8384, 8636, 8908, 11176, 11528, 11968, 16256, 16637, 16768, 17272, 17816, 22352, 23056, 23749, 23936, 24497, 33274, 34544, 35632, 44704, 46112, 47498, 48994, 66548, 69088, 71264, 89408, 92224, 94996, 97988, 133096, 138176, 142528, 178816, 183007, 184448, 189992, 195976, 266192, 276352, 282829, 285056, 366014, 379984, 391952, 532384, 565658, 732028, 759968, 783904, 1064768, 1131316, 1464056, 1519936, 1567808, 2129536, 2262632, 2928112, 3039872, 3111119, 3135616, 4525264, 5856224, 6222238, 9050528, 11712448, 12444476, 18101056, 23424896, 24888952, 36202112, 49777904, 99555808, 199111616, 398223232]

約数ペア:

[(1, 398223232), (2, 199111616), (4, 99555808), (8, 49777904), (11, 36202112), (16, 24888952), (17, 23424896), (22, 18101056), (32, 12444476), (34, 11712448), (44, 9050528), (64, 6222238), (68, 5856224), (88, 4525264), (127, 3135616), (128, 3111119), (131, 3039872), (136, 2928112), (176, 2262632), (187, 2129536), (254, 1567808), (262, 1519936), (272, 1464056), (352, 1131316), (374, 1064768), (508, 783904), (524, 759968), (544, 732028), (704, 565658), (748, 532384), (1016, 391952), (1048, 379984), (1088, 366014), (1397, 285056), (1408, 282829), (1441, 276352), (1496, 266192), (2032, 195976), (2096, 189992), (2159, 184448), (2176, 183007), (2227, 178816), (2794, 142528), (2882, 138176), (2992, 133096), (4064, 97988), (4192, 94996), (4318, 92224), (4454, 89408), (5588, 71264), (5764, 69088), (5984, 66548), (8128, 48994), (8384, 47498), (8636, 46112), (8908, 44704), (11176, 35632), (11528, 34544), (11968, 33274), (16256, 24497), (16637, 23936), (16768, 23749), (17272, 23056), (17816, 22352)]