81650218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 148055040

約数和(自身を除く): 66404822

約数列:

[1, 2, 13, 17, 26, 31, 34, 59, 62, 101, 118, 202, 221, 403, 442, 527, 767, 806, 1003, 1054, 1313, 1534, 1717, 1829, 2006, 2626, 3131, 3434, 3658, 5959, 6262, 6851, 11918, 13039, 13702, 22321, 23777, 26078, 31093, 40703, 44642, 47554, 53227, 62186, 77467, 81406, 101303, 106454, 154934, 184729, 202606, 369458, 404209, 691951, 808418, 1316939, 1383902, 2401477, 2633878, 3140393, 4802954, 6280786, 40825109, 81650218]

約数ペア:

[(1, 81650218), (2, 40825109), (13, 6280786), (17, 4802954), (26, 3140393), (31, 2633878), (34, 2401477), (59, 1383902), (62, 1316939), (101, 808418), (118, 691951), (202, 404209), (221, 369458), (403, 202606), (442, 184729), (527, 154934), (767, 106454), (806, 101303), (1003, 81406), (1054, 77467), (1313, 62186), (1534, 53227), (1717, 47554), (1829, 44642), (2006, 40703), (2626, 31093), (3131, 26078), (3434, 23777), (3658, 22321), (5959, 13702), (6262, 13039), (6851, 11918)]