28404246

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:757

約数の個数: 64

約数和(自身を含む): 66963456

約数和(自身を除く): 38559210

約数列:

[1, 2, 3, 6, 13, 17, 26, 31, 34, 39, 51, 62, 78, 93, 102, 186, 221, 403, 442, 527, 663, 691, 806, 1054, 1209, 1326, 1382, 1581, 2073, 2418, 3162, 4146, 6851, 8983, 11747, 13702, 17966, 20553, 21421, 23494, 26949, 35241, 41106, 42842, 53898, 64263, 70482, 128526, 152711, 278473, 305422, 364157, 458133, 556946, 728314, 835419, 916266, 1092471, 1670838, 2184942, 4734041, 9468082, 14202123, 28404246]

約数ペア:

[(1, 28404246), (2, 14202123), (3, 9468082), (6, 4734041), (13, 2184942), (17, 1670838), (26, 1092471), (31, 916266), (34, 835419), (39, 728314), (51, 556946), (62, 458133), (78, 364157), (93, 305422), (102, 278473), (186, 152711), (221, 128526), (403, 70482), (442, 64263), (527, 53898), (663, 42842), (691, 41106), (806, 35241), (1054, 26949), (1209, 23494), (1326, 21421), (1382, 20553), (1581, 17966), (2073, 13702), (2418, 11747), (3162, 8983), (4146, 6851)]