491665408

素因数分解:

$2^{11}\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:407

約数の個数: 96

約数和(自身を含む): 1080097200

約数和(自身を除く): 588431792

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 59, 64, 104, 118, 128, 208, 236, 256, 313, 416, 472, 512, 626, 767, 832, 944, 1024, 1252, 1534, 1664, 1888, 2048, 2504, 3068, 3328, 3776, 4069, 5008, 6136, 6656, 7552, 8138, 10016, 12272, 13312, 15104, 16276, 18467, 20032, 24544, 26624, 30208, 32552, 36934, 40064, 49088, 60416, 65104, 73868, 80128, 98176, 120832, 130208, 147736, 160256, 196352, 240071, 260416, 295472, 320512, 392704, 480142, 520832, 590944, 641024, 785408, 960284, 1041664, 1181888, 1570816, 1920568, 2083328, 2363776, 3841136, 4166656, 4727552, 7682272, 8333312, 9455104, 15364544, 18910208, 30729088, 37820416, 61458176, 122916352, 245832704, 491665408]

約数ペア:

[(1, 491665408), (2, 245832704), (4, 122916352), (8, 61458176), (13, 37820416), (16, 30729088), (26, 18910208), (32, 15364544), (52, 9455104), (59, 8333312), (64, 7682272), (104, 4727552), (118, 4166656), (128, 3841136), (208, 2363776), (236, 2083328), (256, 1920568), (313, 1570816), (416, 1181888), (472, 1041664), (512, 960284), (626, 785408), (767, 641024), (832, 590944), (944, 520832), (1024, 480142), (1252, 392704), (1534, 320512), (1664, 295472), (1888, 260416), (2048, 240071), (2504, 196352), (3068, 160256), (3328, 147736), (3776, 130208), (4069, 120832), (5008, 98176), (6136, 80128), (6656, 73868), (7552, 65104), (8138, 60416), (10016, 49088), (12272, 40064), (13312, 36934), (15104, 32552), (16276, 30208), (18467, 26624), (20032, 24544)]