31972136

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 72960000

約数和(自身を除く): 40987864

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 151, 152, 199, 266, 302, 398, 532, 604, 796, 1057, 1064, 1208, 1393, 1592, 2114, 2786, 2869, 3781, 4228, 5572, 5738, 7562, 8456, 11144, 11476, 15124, 20083, 22952, 26467, 30049, 30248, 40166, 52934, 60098, 80332, 105868, 120196, 160664, 210343, 211736, 240392, 420686, 570931, 841372, 1141862, 1682744, 2283724, 3996517, 4567448, 7993034, 15986068, 31972136]

約数ペア:

[(1, 31972136), (2, 15986068), (4, 7993034), (7, 4567448), (8, 3996517), (14, 2283724), (19, 1682744), (28, 1141862), (38, 841372), (56, 570931), (76, 420686), (133, 240392), (151, 211736), (152, 210343), (199, 160664), (266, 120196), (302, 105868), (398, 80332), (532, 60098), (604, 52934), (796, 40166), (1057, 30248), (1064, 30049), (1208, 26467), (1393, 22952), (1592, 20083), (2114, 15124), (2786, 11476), (2869, 11144), (3781, 8456), (4228, 7562), (5572, 5738)]