81474448

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:296

約数の個数: 80

約数和(自身を含む): 180702720

約数和(自身を除く): 99228272

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 109, 124, 137, 176, 218, 248, 274, 341, 436, 496, 548, 682, 872, 1096, 1199, 1364, 1507, 1744, 2192, 2398, 2728, 3014, 3379, 4247, 4796, 5456, 6028, 6758, 8494, 9592, 12056, 13516, 14933, 16988, 19184, 24112, 27032, 29866, 33976, 37169, 46717, 54064, 59732, 67952, 74338, 93434, 119464, 148676, 164263, 186868, 238928, 297352, 328526, 373736, 462923, 594704, 657052, 747472, 925846, 1314104, 1851692, 2628208, 3703384, 5092153, 7406768, 10184306, 20368612, 40737224, 81474448]

約数ペア:

[(1, 81474448), (2, 40737224), (4, 20368612), (8, 10184306), (11, 7406768), (16, 5092153), (22, 3703384), (31, 2628208), (44, 1851692), (62, 1314104), (88, 925846), (109, 747472), (124, 657052), (137, 594704), (176, 462923), (218, 373736), (248, 328526), (274, 297352), (341, 238928), (436, 186868), (496, 164263), (548, 148676), (682, 119464), (872, 93434), (1096, 74338), (1199, 67952), (1364, 59732), (1507, 54064), (1744, 46717), (2192, 37169), (2398, 33976), (2728, 29866), (3014, 27032), (3379, 24112), (4247, 19184), (4796, 16988), (5456, 14933), (6028, 13516), (6758, 12056), (8494, 9592)]