171959728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:386

約数の個数: 80

約数和(自身を含む): 368547840

約数和(自身を除く): 196588112

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 71, 76, 124, 142, 152, 248, 257, 284, 304, 496, 514, 568, 589, 1028, 1136, 1178, 1349, 2056, 2201, 2356, 2698, 4112, 4402, 4712, 4883, 5396, 7967, 8804, 9424, 9766, 10792, 15934, 17608, 18247, 19532, 21584, 31868, 35216, 36494, 39064, 41819, 63736, 72988, 78128, 83638, 127472, 145976, 151373, 167276, 291952, 302746, 334552, 346693, 565657, 605492, 669104, 693386, 1131314, 1210984, 1386772, 2262628, 2421968, 2773544, 4525256, 5547088, 9050512, 10747483, 21494966, 42989932, 85979864, 171959728]

約数ペア:

[(1, 171959728), (2, 85979864), (4, 42989932), (8, 21494966), (16, 10747483), (19, 9050512), (31, 5547088), (38, 4525256), (62, 2773544), (71, 2421968), (76, 2262628), (124, 1386772), (142, 1210984), (152, 1131314), (248, 693386), (257, 669104), (284, 605492), (304, 565657), (496, 346693), (514, 334552), (568, 302746), (589, 291952), (1028, 167276), (1136, 151373), (1178, 145976), (1349, 127472), (2056, 83638), (2201, 78128), (2356, 72988), (2698, 63736), (4112, 41819), (4402, 39064), (4712, 36494), (4883, 35216), (5396, 31868), (7967, 21584), (8804, 19532), (9424, 18247), (9766, 17608), (10792, 15934)]