28247634

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:164

約数の個数: 72

約数和(自身を含む): 66920256

約数和(自身を除く): 38672622

約数列:

[1, 2, 3, 6, 9, 18, 23, 31, 46, 62, 69, 71, 93, 138, 142, 186, 207, 213, 279, 414, 426, 558, 639, 713, 961, 1278, 1426, 1633, 1922, 2139, 2201, 2883, 3266, 4278, 4402, 4899, 5766, 6417, 6603, 8649, 9798, 12834, 13206, 14697, 17298, 19809, 22103, 29394, 39618, 44206, 50623, 66309, 68231, 101246, 132618, 136462, 151869, 198927, 204693, 303738, 397854, 409386, 455607, 614079, 911214, 1228158, 1569313, 3138626, 4707939, 9415878, 14123817, 28247634]

約数ペア:

[(1, 28247634), (2, 14123817), (3, 9415878), (6, 4707939), (9, 3138626), (18, 1569313), (23, 1228158), (31, 911214), (46, 614079), (62, 455607), (69, 409386), (71, 397854), (93, 303738), (138, 204693), (142, 198927), (186, 151869), (207, 136462), (213, 132618), (279, 101246), (414, 68231), (426, 66309), (558, 50623), (639, 44206), (713, 39618), (961, 29394), (1278, 22103), (1426, 19809), (1633, 17298), (1922, 14697), (2139, 13206), (2201, 12834), (2883, 9798), (3266, 8649), (4278, 6603), (4402, 6417), (4899, 5766)]