28144776

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:251

約数の個数: 128

約数和(自身を含む): 83865600

約数和(自身を除く): 55720824

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 19, 22, 24, 31, 33, 38, 44, 57, 62, 66, 76, 88, 93, 114, 124, 132, 152, 181, 186, 209, 228, 248, 264, 341, 362, 372, 418, 456, 543, 589, 627, 682, 724, 744, 836, 1023, 1086, 1178, 1254, 1364, 1448, 1672, 1767, 1991, 2046, 2172, 2356, 2508, 2728, 3439, 3534, 3982, 4092, 4344, 4712, 5016, 5611, 5973, 6479, 6878, 7068, 7964, 8184, 10317, 11222, 11946, 12958, 13756, 14136, 15928, 16833, 19437, 20634, 22444, 23892, 25916, 27512, 33666, 37829, 38874, 41268, 44888, 47784, 51832, 61721, 67332, 75658, 77748, 82536, 106609, 113487, 123442, 134664, 151316, 155496, 185163, 213218, 226974, 246884, 302632, 319827, 370326, 426436, 453948, 493768, 639654, 740652, 852872, 907896, 1172699, 1279308, 1481304, 2345398, 2558616, 3518097, 4690796, 7036194, 9381592, 14072388, 28144776]

約数ペア:

[(1, 28144776), (2, 14072388), (3, 9381592), (4, 7036194), (6, 4690796), (8, 3518097), (11, 2558616), (12, 2345398), (19, 1481304), (22, 1279308), (24, 1172699), (31, 907896), (33, 852872), (38, 740652), (44, 639654), (57, 493768), (62, 453948), (66, 426436), (76, 370326), (88, 319827), (93, 302632), (114, 246884), (124, 226974), (132, 213218), (152, 185163), (181, 155496), (186, 151316), (209, 134664), (228, 123442), (248, 113487), (264, 106609), (341, 82536), (362, 77748), (372, 75658), (418, 67332), (456, 61721), (543, 51832), (589, 47784), (627, 44888), (682, 41268), (724, 38874), (744, 37829), (836, 33666), (1023, 27512), (1086, 25916), (1178, 23892), (1254, 22444), (1364, 20634), (1448, 19437), (1672, 16833), (1767, 15928), (1991, 14136), (2046, 13756), (2172, 12958), (2356, 11946), (2508, 11222), (2728, 10317), (3439, 8184), (3534, 7964), (3982, 7068), (4092, 6878), (4344, 6479), (4712, 5973), (5016, 5611)]