1947983406

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{269}}^1$

素因数の和:625

約数の個数: 64

約数和(自身を含む): 4031078400

約数和(自身を除く): 2083094994

約数列:

[1, 2, 3, 6, 71, 89, 142, 178, 191, 213, 267, 269, 382, 426, 534, 538, 573, 807, 1146, 1614, 6319, 12638, 13561, 16999, 18957, 19099, 23941, 27122, 33998, 37914, 38198, 40683, 47882, 50997, 51379, 57297, 71823, 81366, 101994, 102758, 114594, 143646, 154137, 308274, 1206929, 1699811, 2413858, 3399622, 3620787, 3647909, 4572731, 5099433, 7241574, 7295818, 9145462, 10198866, 10943727, 13718193, 21887454, 27436386, 324663901, 649327802, 973991703, 1947983406]

約数ペア:

[(1, 1947983406), (2, 973991703), (3, 649327802), (6, 324663901), (71, 27436386), (89, 21887454), (142, 13718193), (178, 10943727), (191, 10198866), (213, 9145462), (267, 7295818), (269, 7241574), (382, 5099433), (426, 4572731), (534, 3647909), (538, 3620787), (573, 3399622), (807, 2413858), (1146, 1699811), (1614, 1206929), (6319, 308274), (12638, 154137), (13561, 143646), (16999, 114594), (18957, 102758), (19099, 101994), (23941, 81366), (27122, 71823), (33998, 57297), (37914, 51379), (38198, 50997), (40683, 47882)]