401063728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1123}}^1$

素因数の和:1262

約数の個数: 80

約数和(自身を含む): 895630176

約数和(自身を除く): 494566448

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 101, 104, 136, 202, 208, 221, 272, 404, 442, 808, 884, 1123, 1313, 1616, 1717, 1768, 2246, 2626, 3434, 3536, 4492, 5252, 6868, 8984, 10504, 13736, 14599, 17968, 19091, 21008, 22321, 27472, 29198, 38182, 44642, 58396, 76364, 89284, 113423, 116792, 152728, 178568, 226846, 233584, 248183, 305456, 357136, 453692, 496366, 907384, 992732, 1474499, 1814768, 1928191, 1985464, 2948998, 3856382, 3970928, 5897996, 7712764, 11795992, 15425528, 23591984, 25066483, 30851056, 50132966, 100265932, 200531864, 401063728]

約数ペア:

[(1, 401063728), (2, 200531864), (4, 100265932), (8, 50132966), (13, 30851056), (16, 25066483), (17, 23591984), (26, 15425528), (34, 11795992), (52, 7712764), (68, 5897996), (101, 3970928), (104, 3856382), (136, 2948998), (202, 1985464), (208, 1928191), (221, 1814768), (272, 1474499), (404, 992732), (442, 907384), (808, 496366), (884, 453692), (1123, 357136), (1313, 305456), (1616, 248183), (1717, 233584), (1768, 226846), (2246, 178568), (2626, 152728), (3434, 116792), (3536, 113423), (4492, 89284), (5252, 76364), (6868, 58396), (8984, 44642), (10504, 38182), (13736, 29198), (14599, 27472), (17968, 22321), (19091, 21008)]