86641568

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{433}}^1$

素因数の和:506

約数の個数: 72

約数和(自身を含む): 190136268

約数和(自身を除く): 103494700

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 74, 104, 148, 169, 208, 296, 338, 416, 433, 481, 592, 676, 866, 962, 1184, 1352, 1732, 1924, 2704, 3464, 3848, 5408, 5629, 6253, 6928, 7696, 11258, 12506, 13856, 15392, 16021, 22516, 25012, 32042, 45032, 50024, 64084, 73177, 90064, 100048, 128168, 146354, 180128, 200096, 208273, 256336, 292708, 416546, 512672, 585416, 833092, 1170832, 1666184, 2341664, 2707549, 3332368, 5415098, 6664736, 10830196, 21660392, 43320784, 86641568]

約数ペア:

[(1, 86641568), (2, 43320784), (4, 21660392), (8, 10830196), (13, 6664736), (16, 5415098), (26, 3332368), (32, 2707549), (37, 2341664), (52, 1666184), (74, 1170832), (104, 833092), (148, 585416), (169, 512672), (208, 416546), (296, 292708), (338, 256336), (416, 208273), (433, 200096), (481, 180128), (592, 146354), (676, 128168), (866, 100048), (962, 90064), (1184, 73177), (1352, 64084), (1732, 50024), (1924, 45032), (2704, 32042), (3464, 25012), (3848, 22516), (5408, 16021), (5629, 15392), (6253, 13856), (6928, 12506), (7696, 11258)]