89895155

素因数分解:

$5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:145

約数の個数: 64

約数和(自身を含む): 136857600

約数和(自身を除く): 46962445

約数列:

[1, 5, 7, 23, 35, 43, 49, 53, 115, 161, 215, 245, 265, 301, 343, 371, 805, 989, 1127, 1219, 1505, 1715, 1855, 2107, 2279, 2597, 4945, 5635, 6095, 6923, 7889, 8533, 10535, 11395, 12985, 14749, 15953, 18179, 34615, 39445, 42665, 48461, 52417, 59731, 73745, 79765, 90895, 111671, 242305, 262085, 298655, 339227, 366919, 418117, 558355, 781697, 1696135, 1834595, 2090585, 2568433, 3908485, 12842165, 17979031, 89895155]

約数ペア:

[(1, 89895155), (5, 17979031), (7, 12842165), (23, 3908485), (35, 2568433), (43, 2090585), (49, 1834595), (53, 1696135), (115, 781697), (161, 558355), (215, 418117), (245, 366919), (265, 339227), (301, 298655), (343, 262085), (371, 242305), (805, 111671), (989, 90895), (1127, 79765), (1219, 73745), (1505, 59731), (1715, 52417), (1855, 48461), (2107, 42665), (2279, 39445), (2597, 34615), (4945, 18179), (5635, 15953), (6095, 14749), (6923, 12985), (7889, 11395), (8533, 10535)]