71399728

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:262

約数の個数: 80

約数和(自身を含む): 155722176

約数和(自身を除く): 84322448

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 68, 92, 101, 113, 136, 184, 202, 226, 272, 368, 391, 404, 452, 782, 808, 904, 1564, 1616, 1717, 1808, 1921, 2323, 2599, 3128, 3434, 3842, 4646, 5198, 6256, 6868, 7684, 9292, 10396, 11413, 13736, 15368, 18584, 20792, 22826, 27472, 30736, 37168, 39491, 41584, 44183, 45652, 78982, 88366, 91304, 157964, 176732, 182608, 194021, 262499, 315928, 353464, 388042, 524998, 631856, 706928, 776084, 1049996, 1552168, 2099992, 3104336, 4199984, 4462483, 8924966, 17849932, 35699864, 71399728]

約数ペア:

[(1, 71399728), (2, 35699864), (4, 17849932), (8, 8924966), (16, 4462483), (17, 4199984), (23, 3104336), (34, 2099992), (46, 1552168), (68, 1049996), (92, 776084), (101, 706928), (113, 631856), (136, 524998), (184, 388042), (202, 353464), (226, 315928), (272, 262499), (368, 194021), (391, 182608), (404, 176732), (452, 157964), (782, 91304), (808, 88366), (904, 78982), (1564, 45652), (1616, 44183), (1717, 41584), (1808, 39491), (1921, 37168), (2323, 30736), (2599, 27472), (3128, 22826), (3434, 20792), (3842, 18584), (4646, 15368), (5198, 13736), (6256, 11413), (6868, 10396), (7684, 9292)]