15697621784

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{41}}^2\times {\mathrm{6907}}^1$

素因数の和:7021

約数の個数: 72

約数和(自身を含む): 32672318580

約数和(自身を除く): 16974696796

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 169, 328, 338, 533, 676, 1066, 1352, 1681, 2132, 3362, 4264, 6724, 6907, 6929, 13448, 13814, 13858, 21853, 27628, 27716, 43706, 55256, 55432, 87412, 89791, 174824, 179582, 283187, 284089, 359164, 566374, 568178, 718328, 1132748, 1136356, 1167283, 2265496, 2272712, 2334566, 3681431, 4669132, 7362862, 9338264, 11610667, 14725724, 23221334, 29451448, 46442668, 47858603, 92885336, 95717206, 150938671, 191434412, 301877342, 382868824, 603754684, 1207509368, 1962202723, 3924405446, 7848810892, 15697621784]

約数ペア:

[(1, 15697621784), (2, 7848810892), (4, 3924405446), (8, 1962202723), (13, 1207509368), (26, 603754684), (41, 382868824), (52, 301877342), (82, 191434412), (104, 150938671), (164, 95717206), (169, 92885336), (328, 47858603), (338, 46442668), (533, 29451448), (676, 23221334), (1066, 14725724), (1352, 11610667), (1681, 9338264), (2132, 7362862), (3362, 4669132), (4264, 3681431), (6724, 2334566), (6907, 2272712), (6929, 2265496), (13448, 1167283), (13814, 1136356), (13858, 1132748), (21853, 718328), (27628, 568178), (27716, 566374), (43706, 359164), (55256, 284089), (55432, 283187), (87412, 179582), (89791, 174824)]