28763208

素因数分解:

$2^3\times 3^3\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:172

約数の個数: 128

約数和(自身を含む): 84816000

約数和(自身を除く): 56052792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 37, 54, 59, 61, 72, 74, 108, 111, 118, 122, 148, 177, 183, 216, 222, 236, 244, 296, 333, 354, 366, 444, 472, 488, 531, 549, 666, 708, 732, 888, 999, 1062, 1098, 1332, 1416, 1464, 1593, 1647, 1998, 2124, 2183, 2196, 2257, 2664, 3186, 3294, 3599, 3996, 4248, 4366, 4392, 4514, 6372, 6549, 6588, 6771, 7198, 7992, 8732, 9028, 10797, 12744, 13098, 13176, 13542, 14396, 17464, 18056, 19647, 20313, 21594, 26196, 27084, 28792, 32391, 39294, 40626, 43188, 52392, 54168, 58941, 60939, 64782, 78588, 81252, 86376, 97173, 117882, 121878, 129564, 133163, 157176, 162504, 194346, 235764, 243756, 259128, 266326, 388692, 399489, 471528, 487512, 532652, 777384, 798978, 1065304, 1198467, 1597956, 2396934, 3195912, 3595401, 4793868, 7190802, 9587736, 14381604, 28763208]

約数ペア:

[(1, 28763208), (2, 14381604), (3, 9587736), (4, 7190802), (6, 4793868), (8, 3595401), (9, 3195912), (12, 2396934), (18, 1597956), (24, 1198467), (27, 1065304), (36, 798978), (37, 777384), (54, 532652), (59, 487512), (61, 471528), (72, 399489), (74, 388692), (108, 266326), (111, 259128), (118, 243756), (122, 235764), (148, 194346), (177, 162504), (183, 157176), (216, 133163), (222, 129564), (236, 121878), (244, 117882), (296, 97173), (333, 86376), (354, 81252), (366, 78588), (444, 64782), (472, 60939), (488, 58941), (531, 54168), (549, 52392), (666, 43188), (708, 40626), (732, 39294), (888, 32391), (999, 28792), (1062, 27084), (1098, 26196), (1332, 21594), (1416, 20313), (1464, 19647), (1593, 18056), (1647, 17464), (1998, 14396), (2124, 13542), (2183, 13176), (2196, 13098), (2257, 12744), (2664, 10797), (3186, 9028), (3294, 8732), (3599, 7992), (3996, 7198), (4248, 6771), (4366, 6588), (4392, 6549), (4514, 6372)]