1948006984

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{293}}^1$

素因数の和:611

約数の個数: 128

約数和(自身を含む): 4694215680

約数和(自身を除く): 2746208696

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 43, 44, 56, 77, 86, 88, 154, 172, 251, 293, 301, 308, 344, 473, 502, 586, 602, 616, 946, 1004, 1172, 1204, 1757, 1892, 2008, 2051, 2344, 2408, 2761, 3223, 3311, 3514, 3784, 4102, 5522, 6446, 6622, 7028, 8204, 10793, 11044, 12599, 12892, 13244, 14056, 16408, 19327, 21586, 22088, 22561, 25198, 25784, 26488, 38654, 43172, 45122, 50396, 73543, 75551, 77308, 86344, 88193, 90244, 100792, 118723, 138589, 147086, 151102, 154616, 176386, 180488, 237446, 277178, 294172, 302204, 352772, 474892, 514801, 554356, 588344, 604408, 705544, 808973, 831061, 949784, 970123, 1029602, 1108712, 1617946, 1662122, 1940246, 2059204, 3162349, 3235892, 3324244, 3880492, 4118408, 5662811, 6324698, 6471784, 6648488, 7760984, 11325622, 12649396, 22136443, 22651244, 25298792, 34785839, 44272886, 45302488, 69571678, 88545772, 139143356, 177091544, 243500873, 278286712, 487001746, 974003492, 1948006984]

約数ペア:

[(1, 1948006984), (2, 974003492), (4, 487001746), (7, 278286712), (8, 243500873), (11, 177091544), (14, 139143356), (22, 88545772), (28, 69571678), (43, 45302488), (44, 44272886), (56, 34785839), (77, 25298792), (86, 22651244), (88, 22136443), (154, 12649396), (172, 11325622), (251, 7760984), (293, 6648488), (301, 6471784), (308, 6324698), (344, 5662811), (473, 4118408), (502, 3880492), (586, 3324244), (602, 3235892), (616, 3162349), (946, 2059204), (1004, 1940246), (1172, 1662122), (1204, 1617946), (1757, 1108712), (1892, 1029602), (2008, 970123), (2051, 949784), (2344, 831061), (2408, 808973), (2761, 705544), (3223, 604408), (3311, 588344), (3514, 554356), (3784, 514801), (4102, 474892), (5522, 352772), (6446, 302204), (6622, 294172), (7028, 277178), (8204, 237446), (10793, 180488), (11044, 176386), (12599, 154616), (12892, 151102), (13244, 147086), (14056, 138589), (16408, 118723), (19327, 100792), (21586, 90244), (22088, 88193), (22561, 86344), (25198, 77308), (25784, 75551), (26488, 73543), (38654, 50396), (43172, 45122)]