31389779575

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{7309}}^1$

素因数の和:7457

約数の個数: 96

約数和(自身を含む): 51166725120

約数和(自身を除く): 19776945545

約数列:

[1, 5, 7, 11, 23, 25, 35, 55, 77, 97, 115, 161, 175, 253, 275, 385, 485, 575, 679, 805, 1067, 1265, 1771, 1925, 2231, 2425, 3395, 4025, 5335, 6325, 7309, 7469, 8855, 11155, 15617, 16975, 24541, 26675, 36545, 37345, 44275, 51163, 55775, 78085, 80399, 122705, 168107, 171787, 182725, 186725, 255815, 390425, 401995, 562793, 613525, 708973, 840535, 858935, 1176749, 1279075, 1849177, 2009975, 2813965, 3544865, 4202675, 4294675, 4962811, 5883745, 7798703, 9245885, 12944239, 14069825, 16306379, 17724325, 24814055, 29418725, 38993515, 46229425, 54590921, 64721195, 81531895, 114144653, 124070275, 179370169, 194967575, 272954605, 323605975, 407659475, 570723265, 896850845, 1255591183, 1364773025, 2853616325, 4484254225, 6277955915, 31389779575]

約数ペア:

[(1, 31389779575), (5, 6277955915), (7, 4484254225), (11, 2853616325), (23, 1364773025), (25, 1255591183), (35, 896850845), (55, 570723265), (77, 407659475), (97, 323605975), (115, 272954605), (161, 194967575), (175, 179370169), (253, 124070275), (275, 114144653), (385, 81531895), (485, 64721195), (575, 54590921), (679, 46229425), (805, 38993515), (1067, 29418725), (1265, 24814055), (1771, 17724325), (1925, 16306379), (2231, 14069825), (2425, 12944239), (3395, 9245885), (4025, 7798703), (5335, 5883745), (6325, 4962811), (7309, 4294675), (7469, 4202675), (8855, 3544865), (11155, 2813965), (15617, 2009975), (16975, 1849177), (24541, 1279075), (26675, 1176749), (36545, 858935), (37345, 840535), (44275, 708973), (51163, 613525), (55775, 562793), (78085, 401995), (80399, 390425), (122705, 255815), (168107, 186725), (171787, 182725)]