66981904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{367}}^1$

素因数の和:464

約数の個数: 80

約数和(自身を含む): 152775936

約数和(自身を除く): 85794032

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 61, 68, 88, 122, 136, 176, 187, 244, 272, 367, 374, 488, 671, 734, 748, 976, 1037, 1342, 1468, 1496, 2074, 2684, 2936, 2992, 4037, 4148, 5368, 5872, 6239, 8074, 8296, 10736, 11407, 12478, 16148, 16592, 22387, 22814, 24956, 32296, 44774, 45628, 49912, 64592, 68629, 89548, 91256, 99824, 137258, 179096, 182512, 246257, 274516, 358192, 380579, 492514, 549032, 761158, 985028, 1098064, 1522316, 1970056, 3044632, 3940112, 4186369, 6089264, 8372738, 16745476, 33490952, 66981904]

約数ペア:

[(1, 66981904), (2, 33490952), (4, 16745476), (8, 8372738), (11, 6089264), (16, 4186369), (17, 3940112), (22, 3044632), (34, 1970056), (44, 1522316), (61, 1098064), (68, 985028), (88, 761158), (122, 549032), (136, 492514), (176, 380579), (187, 358192), (244, 274516), (272, 246257), (367, 182512), (374, 179096), (488, 137258), (671, 99824), (734, 91256), (748, 89548), (976, 68629), (1037, 64592), (1342, 49912), (1468, 45628), (1496, 44774), (2074, 32296), (2684, 24956), (2936, 22814), (2992, 22387), (4037, 16592), (4148, 16148), (5368, 12478), (5872, 11407), (6239, 10736), (8074, 8296)]