181017928

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:687

約数の個数: 96

約数和(自身を含む): 434280960

約数和(自身を除く): 253263032

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 91, 104, 124, 169, 182, 217, 248, 338, 364, 403, 434, 617, 676, 728, 806, 868, 1183, 1234, 1352, 1612, 1736, 2366, 2468, 2821, 3224, 4319, 4732, 4936, 5239, 5642, 8021, 8638, 9464, 10478, 11284, 16042, 17276, 19127, 20956, 22568, 32084, 34552, 36673, 38254, 41912, 56147, 64168, 73346, 76508, 104273, 112294, 133889, 146692, 153016, 208546, 224588, 248651, 267778, 293384, 417092, 449176, 497302, 535556, 729911, 834184, 994604, 1071112, 1459822, 1740557, 1989208, 2919644, 3232463, 3481114, 5839288, 6464926, 6962228, 12929852, 13924456, 22627241, 25859704, 45254482, 90508964, 181017928]

約数ペア:

[(1, 181017928), (2, 90508964), (4, 45254482), (7, 25859704), (8, 22627241), (13, 13924456), (14, 12929852), (26, 6962228), (28, 6464926), (31, 5839288), (52, 3481114), (56, 3232463), (62, 2919644), (91, 1989208), (104, 1740557), (124, 1459822), (169, 1071112), (182, 994604), (217, 834184), (248, 729911), (338, 535556), (364, 497302), (403, 449176), (434, 417092), (617, 293384), (676, 267778), (728, 248651), (806, 224588), (868, 208546), (1183, 153016), (1234, 146692), (1352, 133889), (1612, 112294), (1736, 104273), (2366, 76508), (2468, 73346), (2821, 64168), (3224, 56147), (4319, 41912), (4732, 38254), (4936, 36673), (5239, 34552), (5642, 32084), (8021, 22568), (8638, 20956), (9464, 19127), (10478, 17276), (11284, 16042)]