201760988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:715

約数の個数: 72

約数和(自身を含む): 427464576

約数和(自身を除く): 225703588

約数列:

[1, 2, 4, 11, 13, 22, 26, 43, 44, 52, 86, 143, 169, 172, 286, 338, 473, 559, 572, 631, 676, 946, 1118, 1262, 1859, 1892, 2236, 2524, 3718, 6149, 6941, 7267, 7436, 8203, 12298, 13882, 14534, 16406, 24596, 27133, 27764, 29068, 32812, 54266, 79937, 90233, 106639, 108532, 159874, 180466, 213278, 298463, 319748, 352729, 360932, 426556, 596926, 705458, 1173029, 1193852, 1410916, 2346058, 3880019, 4585477, 4692116, 7760038, 9170954, 15520076, 18341908, 50440247, 100880494, 201760988]

約数ペア:

[(1, 201760988), (2, 100880494), (4, 50440247), (11, 18341908), (13, 15520076), (22, 9170954), (26, 7760038), (43, 4692116), (44, 4585477), (52, 3880019), (86, 2346058), (143, 1410916), (169, 1193852), (172, 1173029), (286, 705458), (338, 596926), (473, 426556), (559, 360932), (572, 352729), (631, 319748), (676, 298463), (946, 213278), (1118, 180466), (1262, 159874), (1859, 108532), (1892, 106639), (2236, 90233), (2524, 79937), (3718, 54266), (6149, 32812), (6941, 29068), (7267, 27764), (7436, 27133), (8203, 24596), (12298, 16406), (13882, 14534)]