161245136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1471}}^1$

素因数の和:1540

約数の個数: 80

約数和(自身を含む): 367976448

約数和(自身を除く): 206731312

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 208, 221, 248, 272, 403, 442, 496, 527, 806, 884, 1054, 1471, 1612, 1768, 2108, 2942, 3224, 3536, 4216, 5884, 6448, 6851, 8432, 11768, 13702, 19123, 23536, 25007, 27404, 38246, 45601, 50014, 54808, 76492, 91202, 100028, 109616, 152984, 182404, 200056, 305968, 325091, 364808, 400112, 592813, 650182, 729616, 775217, 1185626, 1300364, 1550434, 2371252, 2600728, 3100868, 4742504, 5201456, 6201736, 9485008, 10077821, 12403472, 20155642, 40311284, 80622568, 161245136]

約数ペア:

[(1, 161245136), (2, 80622568), (4, 40311284), (8, 20155642), (13, 12403472), (16, 10077821), (17, 9485008), (26, 6201736), (31, 5201456), (34, 4742504), (52, 3100868), (62, 2600728), (68, 2371252), (104, 1550434), (124, 1300364), (136, 1185626), (208, 775217), (221, 729616), (248, 650182), (272, 592813), (403, 400112), (442, 364808), (496, 325091), (527, 305968), (806, 200056), (884, 182404), (1054, 152984), (1471, 109616), (1612, 100028), (1768, 91202), (2108, 76492), (2942, 54808), (3224, 50014), (3536, 45601), (4216, 38246), (5884, 27404), (6448, 25007), (6851, 23536), (8432, 19123), (11768, 13702)]