81735948

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:476

約数の個数: 144

約数和(自身を含む): 254974720

約数和(自身を除く): 173238772

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 43, 57, 63, 76, 84, 86, 114, 126, 129, 133, 171, 172, 228, 252, 258, 266, 301, 342, 387, 397, 399, 516, 532, 602, 684, 774, 794, 798, 817, 903, 1191, 1197, 1204, 1548, 1588, 1596, 1634, 1806, 2382, 2394, 2451, 2709, 2779, 3268, 3573, 3612, 4764, 4788, 4902, 5418, 5558, 5719, 7146, 7353, 7543, 8337, 9804, 10836, 11116, 11438, 14292, 14706, 15086, 16674, 17071, 17157, 22629, 22876, 25011, 29412, 30172, 33348, 34142, 34314, 45258, 50022, 51213, 51471, 52801, 67887, 68284, 68628, 90516, 100044, 102426, 102942, 105602, 119497, 135774, 153639, 158403, 204852, 205884, 211204, 238994, 271548, 307278, 316806, 324349, 358491, 475209, 477988, 614556, 633612, 648698, 716982, 950418, 973047, 1075473, 1297396, 1433964, 1900836, 1946094, 2150946, 2270443, 2919141, 3892188, 4301892, 4540886, 5838282, 6811329, 9081772, 11676564, 13622658, 20433987, 27245316, 40867974, 81735948]

約数ペア:

[(1, 81735948), (2, 40867974), (3, 27245316), (4, 20433987), (6, 13622658), (7, 11676564), (9, 9081772), (12, 6811329), (14, 5838282), (18, 4540886), (19, 4301892), (21, 3892188), (28, 2919141), (36, 2270443), (38, 2150946), (42, 1946094), (43, 1900836), (57, 1433964), (63, 1297396), (76, 1075473), (84, 973047), (86, 950418), (114, 716982), (126, 648698), (129, 633612), (133, 614556), (171, 477988), (172, 475209), (228, 358491), (252, 324349), (258, 316806), (266, 307278), (301, 271548), (342, 238994), (387, 211204), (397, 205884), (399, 204852), (516, 158403), (532, 153639), (602, 135774), (684, 119497), (774, 105602), (794, 102942), (798, 102426), (817, 100044), (903, 90516), (1191, 68628), (1197, 68284), (1204, 67887), (1548, 52801), (1588, 51471), (1596, 51213), (1634, 50022), (1806, 45258), (2382, 34314), (2394, 34142), (2451, 33348), (2709, 30172), (2779, 29412), (3268, 25011), (3573, 22876), (3612, 22629), (4764, 17157), (4788, 17071), (4902, 16674), (5418, 15086), (5558, 14706), (5719, 14292), (7146, 11438), (7353, 11116), (7543, 10836), (8337, 9804)]