81749096

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3761}}^1$

素因数の和:3810

約数の個数: 64

約数和(自身を含む): 189604800

約数和(自身を除く): 107855704

約数列:

[1, 2, 4, 8, 11, 13, 19, 22, 26, 38, 44, 52, 76, 88, 104, 143, 152, 209, 247, 286, 418, 494, 572, 836, 988, 1144, 1672, 1976, 2717, 3761, 5434, 7522, 10868, 15044, 21736, 30088, 41371, 48893, 71459, 82742, 97786, 142918, 165484, 195572, 285836, 330968, 391144, 537823, 571672, 786049, 928967, 1075646, 1572098, 1857934, 2151292, 3144196, 3715868, 4302584, 6288392, 7431736, 10218637, 20437274, 40874548, 81749096]

約数ペア:

[(1, 81749096), (2, 40874548), (4, 20437274), (8, 10218637), (11, 7431736), (13, 6288392), (19, 4302584), (22, 3715868), (26, 3144196), (38, 2151292), (44, 1857934), (52, 1572098), (76, 1075646), (88, 928967), (104, 786049), (143, 571672), (152, 537823), (209, 391144), (247, 330968), (286, 285836), (418, 195572), (494, 165484), (572, 142918), (836, 97786), (988, 82742), (1144, 71459), (1672, 48893), (1976, 41371), (2717, 30088), (3761, 21736), (5434, 15044), (7522, 10868)]