31789888

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2011}}^1$

素因数の和:2055

約数の個数: 56

約数和(自身を含む): 71546720

約数和(自身を除く): 39756832

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 152, 208, 247, 304, 416, 494, 608, 832, 988, 1216, 1976, 2011, 3952, 4022, 7904, 8044, 15808, 16088, 26143, 32176, 38209, 52286, 64352, 76418, 104572, 128704, 152836, 209144, 305672, 418288, 496717, 611344, 836576, 993434, 1222688, 1673152, 1986868, 2445376, 3973736, 7947472, 15894944, 31789888]

約数ペア:

[(1, 31789888), (2, 15894944), (4, 7947472), (8, 3973736), (13, 2445376), (16, 1986868), (19, 1673152), (26, 1222688), (32, 993434), (38, 836576), (52, 611344), (64, 496717), (76, 418288), (104, 305672), (152, 209144), (208, 152836), (247, 128704), (304, 104572), (416, 76418), (494, 64352), (608, 52286), (832, 38209), (988, 32176), (1216, 26143), (1976, 16088), (2011, 15808), (3952, 8044), (4022, 7904)]