291222906

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{631}}^1$

素因数の和:807

約数の個数: 64

約数和(自身を含む): 645125376

約数和(自身を除く): 353902470

約数列:

[1, 2, 3, 6, 13, 26, 39, 61, 78, 97, 122, 183, 194, 291, 366, 582, 631, 793, 1261, 1262, 1586, 1893, 2379, 2522, 3783, 3786, 4758, 5917, 7566, 8203, 11834, 16406, 17751, 24609, 35502, 38491, 49218, 61207, 76921, 76982, 115473, 122414, 153842, 183621, 230763, 230946, 367242, 461526, 500383, 795691, 1000766, 1501149, 1591382, 2387073, 3002298, 3733627, 4774146, 7467254, 11200881, 22401762, 48537151, 97074302, 145611453, 291222906]

約数ペア:

[(1, 291222906), (2, 145611453), (3, 97074302), (6, 48537151), (13, 22401762), (26, 11200881), (39, 7467254), (61, 4774146), (78, 3733627), (97, 3002298), (122, 2387073), (183, 1591382), (194, 1501149), (291, 1000766), (366, 795691), (582, 500383), (631, 461526), (793, 367242), (1261, 230946), (1262, 230763), (1586, 183621), (1893, 153842), (2379, 122414), (2522, 115473), (3783, 76982), (3786, 76921), (4758, 61207), (5917, 49218), (7566, 38491), (8203, 35502), (11834, 24609), (16406, 17751)]