217840038

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3917}}^1$

素因数の和:3989

約数の個数: 64

約数和(自身を含む): 505516032

約数和(自身を除く): 287675994

約数列:

[1, 2, 3, 6, 13, 23, 26, 31, 39, 46, 62, 69, 78, 93, 138, 186, 299, 403, 598, 713, 806, 897, 1209, 1426, 1794, 2139, 2418, 3917, 4278, 7834, 9269, 11751, 18538, 23502, 27807, 50921, 55614, 90091, 101842, 121427, 152763, 180182, 242854, 270273, 305526, 364281, 540546, 728562, 1171183, 1578551, 2342366, 2792821, 3157102, 3513549, 4735653, 5585642, 7027098, 8378463, 9471306, 16756926, 36306673, 72613346, 108920019, 217840038]

約数ペア:

[(1, 217840038), (2, 108920019), (3, 72613346), (6, 36306673), (13, 16756926), (23, 9471306), (26, 8378463), (31, 7027098), (39, 5585642), (46, 4735653), (62, 3513549), (69, 3157102), (78, 2792821), (93, 2342366), (138, 1578551), (186, 1171183), (299, 728562), (403, 540546), (598, 364281), (713, 305526), (806, 270273), (897, 242854), (1209, 180182), (1426, 152763), (1794, 121427), (2139, 101842), (2418, 90091), (3917, 55614), (4278, 50921), (7834, 27807), (9269, 23502), (11751, 18538)]