399231888

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{24391}}^1$

素因数の和:24444

約数の個数: 80

約数和(自身を含む): 1161449472

約数和(自身を除く): 762217584

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 33, 44, 48, 62, 66, 88, 93, 124, 132, 176, 186, 248, 264, 341, 372, 496, 528, 682, 744, 1023, 1364, 1488, 2046, 2728, 4092, 5456, 8184, 16368, 24391, 48782, 73173, 97564, 146346, 195128, 268301, 292692, 390256, 536602, 585384, 756121, 804903, 1073204, 1170768, 1512242, 1609806, 2146408, 2268363, 3024484, 3219612, 4292816, 4536726, 6048968, 6439224, 8317331, 9073452, 12097936, 12878448, 16634662, 18146904, 24951993, 33269324, 36293808, 49903986, 66538648, 99807972, 133077296, 199615944, 399231888]

約数ペア:

[(1, 399231888), (2, 199615944), (3, 133077296), (4, 99807972), (6, 66538648), (8, 49903986), (11, 36293808), (12, 33269324), (16, 24951993), (22, 18146904), (24, 16634662), (31, 12878448), (33, 12097936), (44, 9073452), (48, 8317331), (62, 6439224), (66, 6048968), (88, 4536726), (93, 4292816), (124, 3219612), (132, 3024484), (176, 2268363), (186, 2146408), (248, 1609806), (264, 1512242), (341, 1170768), (372, 1073204), (496, 804903), (528, 756121), (682, 585384), (744, 536602), (1023, 390256), (1364, 292692), (1488, 268301), (2046, 195128), (2728, 146346), (4092, 97564), (5456, 73173), (8184, 48782), (16368, 24391)]