31801288

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:470

約数の個数: 64

約数和(自身を含む): 68774400

約数和(自身を除く): 36973112

約数列:

[1, 2, 4, 8, 17, 19, 31, 34, 38, 62, 68, 76, 124, 136, 152, 248, 323, 397, 527, 589, 646, 794, 1054, 1178, 1292, 1588, 2108, 2356, 2584, 3176, 4216, 4712, 6749, 7543, 10013, 12307, 13498, 15086, 20026, 24614, 26996, 30172, 40052, 49228, 53992, 60344, 80104, 98456, 128231, 209219, 233833, 256462, 418438, 467666, 512924, 836876, 935332, 1025848, 1673752, 1870664, 3975161, 7950322, 15900644, 31801288]

約数ペア:

[(1, 31801288), (2, 15900644), (4, 7950322), (8, 3975161), (17, 1870664), (19, 1673752), (31, 1025848), (34, 935332), (38, 836876), (62, 512924), (68, 467666), (76, 418438), (124, 256462), (136, 233833), (152, 209219), (248, 128231), (323, 98456), (397, 80104), (527, 60344), (589, 53992), (646, 49228), (794, 40052), (1054, 30172), (1178, 26996), (1292, 24614), (1588, 20026), (2108, 15086), (2356, 13498), (2584, 12307), (3176, 10013), (4216, 7543), (4712, 6749)]