28387568

素因数分解:

$2^4\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:115

約数の個数: 80

約数和(自身を含む): 63900672

約数和(自身を除く): 35513104

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 43, 44, 62, 86, 88, 121, 124, 172, 176, 242, 248, 341, 344, 473, 484, 496, 682, 688, 946, 968, 1331, 1333, 1364, 1892, 1936, 2662, 2666, 2728, 3751, 3784, 5203, 5324, 5332, 5456, 7502, 7568, 10406, 10648, 10664, 14663, 15004, 20812, 21296, 21328, 29326, 30008, 41261, 41624, 57233, 58652, 60016, 82522, 83248, 114466, 117304, 161293, 165044, 228932, 234608, 322586, 330088, 457864, 645172, 660176, 915728, 1290344, 1774223, 2580688, 3548446, 7096892, 14193784, 28387568]

約数ペア:

[(1, 28387568), (2, 14193784), (4, 7096892), (8, 3548446), (11, 2580688), (16, 1774223), (22, 1290344), (31, 915728), (43, 660176), (44, 645172), (62, 457864), (86, 330088), (88, 322586), (121, 234608), (124, 228932), (172, 165044), (176, 161293), (242, 117304), (248, 114466), (341, 83248), (344, 82522), (473, 60016), (484, 58652), (496, 57233), (682, 41624), (688, 41261), (946, 30008), (968, 29326), (1331, 21328), (1333, 21296), (1364, 20812), (1892, 15004), (1936, 14663), (2662, 10664), (2666, 10648), (2728, 10406), (3751, 7568), (3784, 7502), (5203, 5456), (5324, 5332)]