289307128

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{31}}^2\times {\mathrm{311}}^1$

素因数の和:401

約数の個数: 72

約数和(自身を含む): 618082920

約数和(自身を除く): 328775792

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 121, 124, 242, 248, 311, 341, 484, 622, 682, 961, 968, 1244, 1364, 1922, 2488, 2728, 3421, 3751, 3844, 6842, 7502, 7688, 9641, 10571, 13684, 15004, 19282, 21142, 27368, 30008, 37631, 38564, 42284, 75262, 77128, 84568, 106051, 116281, 150524, 212102, 232562, 298871, 301048, 424204, 465124, 597742, 848408, 930248, 1166561, 1195484, 2333122, 2390968, 3287581, 4666244, 6575162, 9332488, 13150324, 26300648, 36163391, 72326782, 144653564, 289307128]

約数ペア:

[(1, 289307128), (2, 144653564), (4, 72326782), (8, 36163391), (11, 26300648), (22, 13150324), (31, 9332488), (44, 6575162), (62, 4666244), (88, 3287581), (121, 2390968), (124, 2333122), (242, 1195484), (248, 1166561), (311, 930248), (341, 848408), (484, 597742), (622, 465124), (682, 424204), (961, 301048), (968, 298871), (1244, 232562), (1364, 212102), (1922, 150524), (2488, 116281), (2728, 106051), (3421, 84568), (3751, 77128), (3844, 75262), (6842, 42284), (7502, 38564), (7688, 37631), (9641, 30008), (10571, 27368), (13684, 21142), (15004, 19282)]