38142728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 82320000

約数和(自身を除く): 44177272

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 97, 104, 152, 194, 199, 247, 388, 398, 494, 776, 796, 988, 1261, 1592, 1843, 1976, 2522, 2587, 3686, 3781, 5044, 5174, 7372, 7562, 10088, 10348, 14744, 15124, 19303, 20696, 23959, 30248, 38606, 47918, 49153, 77212, 95836, 98306, 154424, 191672, 196612, 250939, 366757, 393224, 501878, 733514, 1003756, 1467028, 2007512, 2934056, 4767841, 9535682, 19071364, 38142728]

約数ペア:

[(1, 38142728), (2, 19071364), (4, 9535682), (8, 4767841), (13, 2934056), (19, 2007512), (26, 1467028), (38, 1003756), (52, 733514), (76, 501878), (97, 393224), (104, 366757), (152, 250939), (194, 196612), (199, 191672), (247, 154424), (388, 98306), (398, 95836), (494, 77212), (776, 49153), (796, 47918), (988, 38606), (1261, 30248), (1592, 23959), (1843, 20696), (1976, 19303), (2522, 15124), (2587, 14744), (3686, 10348), (3781, 10088), (5044, 7562), (5174, 7372)]