90515984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^2\times {\mathrm{197}}^1$

素因数の和:312

約数の個数: 60

約数和(自身を含む): 193948524

約数和(自身を除く): 103432540

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 197, 208, 376, 394, 611, 752, 788, 1222, 1576, 2209, 2444, 2561, 3152, 4418, 4888, 5122, 8836, 9259, 9776, 10244, 17672, 18518, 20488, 28717, 35344, 37036, 40976, 57434, 74072, 114868, 120367, 148144, 229736, 240734, 435173, 459472, 481468, 870346, 962936, 1740692, 1925872, 3481384, 5657249, 6962768, 11314498, 22628996, 45257992, 90515984]

約数ペア:

[(1, 90515984), (2, 45257992), (4, 22628996), (8, 11314498), (13, 6962768), (16, 5657249), (26, 3481384), (47, 1925872), (52, 1740692), (94, 962936), (104, 870346), (188, 481468), (197, 459472), (208, 435173), (376, 240734), (394, 229736), (611, 148144), (752, 120367), (788, 114868), (1222, 74072), (1576, 57434), (2209, 40976), (2444, 37036), (2561, 35344), (3152, 28717), (4418, 20488), (4888, 18518), (5122, 17672), (8836, 10244), (9259, 9776)]