447740488

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{61}}^2\times {\mathrm{89}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 934590150

約数和(自身を除く): 486849662

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 89, 104, 122, 169, 178, 244, 338, 356, 488, 676, 712, 793, 1157, 1352, 1586, 2314, 3172, 3721, 4628, 5429, 6344, 7442, 9256, 10309, 10858, 14884, 15041, 20618, 21716, 29768, 30082, 41236, 43432, 48373, 60164, 70577, 82472, 96746, 120328, 141154, 193492, 282308, 331169, 386984, 564616, 628849, 662338, 917501, 1257698, 1324676, 1835002, 2515396, 2649352, 3670004, 4305197, 5030792, 7340008, 8610394, 17220788, 34441576, 55967561, 111935122, 223870244, 447740488]

約数ペア:

[(1, 447740488), (2, 223870244), (4, 111935122), (8, 55967561), (13, 34441576), (26, 17220788), (52, 8610394), (61, 7340008), (89, 5030792), (104, 4305197), (122, 3670004), (169, 2649352), (178, 2515396), (244, 1835002), (338, 1324676), (356, 1257698), (488, 917501), (676, 662338), (712, 628849), (793, 564616), (1157, 386984), (1352, 331169), (1586, 282308), (2314, 193492), (3172, 141154), (3721, 120328), (4628, 96746), (5429, 82472), (6344, 70577), (7442, 60164), (9256, 48373), (10309, 43432), (10858, 41236), (14884, 30082), (15041, 29768), (20618, 21716)]