87721816

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:106

約数の個数: 128

約数和(自身を含む): 219340800

約数和(自身を除く): 131618984

約数列:

[1, 2, 4, 7, 8, 13, 14, 23, 26, 28, 31, 46, 52, 56, 62, 91, 92, 104, 124, 161, 169, 182, 184, 217, 248, 299, 322, 338, 364, 403, 434, 598, 644, 676, 713, 728, 806, 868, 1183, 1196, 1288, 1352, 1426, 1612, 1736, 2093, 2197, 2366, 2392, 2821, 2852, 3224, 3887, 4186, 4394, 4732, 4991, 5239, 5642, 5704, 7774, 8372, 8788, 9269, 9464, 9982, 10478, 11284, 15379, 15548, 16744, 17576, 18538, 19964, 20956, 22568, 27209, 30758, 31096, 36673, 37076, 39928, 41912, 50531, 54418, 61516, 64883, 68107, 73346, 74152, 101062, 108836, 120497, 123032, 129766, 136214, 146692, 202124, 217672, 240994, 259532, 272428, 293384, 353717, 404248, 476749, 481988, 519064, 544856, 707434, 843479, 953498, 963976, 1414868, 1566461, 1686958, 1906996, 2829736, 3132922, 3373916, 3813992, 6265844, 6747832, 10965227, 12531688, 21930454, 43860908, 87721816]

約数ペア:

[(1, 87721816), (2, 43860908), (4, 21930454), (7, 12531688), (8, 10965227), (13, 6747832), (14, 6265844), (23, 3813992), (26, 3373916), (28, 3132922), (31, 2829736), (46, 1906996), (52, 1686958), (56, 1566461), (62, 1414868), (91, 963976), (92, 953498), (104, 843479), (124, 707434), (161, 544856), (169, 519064), (182, 481988), (184, 476749), (217, 404248), (248, 353717), (299, 293384), (322, 272428), (338, 259532), (364, 240994), (403, 217672), (434, 202124), (598, 146692), (644, 136214), (676, 129766), (713, 123032), (728, 120497), (806, 108836), (868, 101062), (1183, 74152), (1196, 73346), (1288, 68107), (1352, 64883), (1426, 61516), (1612, 54418), (1736, 50531), (2093, 41912), (2197, 39928), (2366, 37076), (2392, 36673), (2821, 31096), (2852, 30758), (3224, 27209), (3887, 22568), (4186, 20956), (4394, 19964), (4732, 18538), (4991, 17576), (5239, 16744), (5642, 15548), (5704, 15379), (7774, 11284), (8372, 10478), (8788, 9982), (9269, 9464)]