66861684

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{409}}^1$

素因数の和:677

約数の個数: 72

約数和(自身を含む): 179088000

約数和(自身を除く): 112226316

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 239, 342, 409, 478, 684, 717, 818, 956, 1227, 1434, 1636, 2151, 2454, 2868, 3681, 4302, 4541, 4908, 7362, 7771, 8604, 9082, 13623, 14724, 15542, 18164, 23313, 27246, 31084, 40869, 46626, 54492, 69939, 81738, 93252, 97751, 139878, 163476, 195502, 279756, 293253, 391004, 586506, 879759, 1173012, 1759518, 1857269, 3519036, 3714538, 5571807, 7429076, 11143614, 16715421, 22287228, 33430842, 66861684]

約数ペア:

[(1, 66861684), (2, 33430842), (3, 22287228), (4, 16715421), (6, 11143614), (9, 7429076), (12, 5571807), (18, 3714538), (19, 3519036), (36, 1857269), (38, 1759518), (57, 1173012), (76, 879759), (114, 586506), (171, 391004), (228, 293253), (239, 279756), (342, 195502), (409, 163476), (478, 139878), (684, 97751), (717, 93252), (818, 81738), (956, 69939), (1227, 54492), (1434, 46626), (1636, 40869), (2151, 31084), (2454, 27246), (2868, 23313), (3681, 18164), (4302, 15542), (4541, 14724), (4908, 13623), (7362, 9082), (7771, 8604)]