71211868

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 156794400

約数和(自身を除く): 85582532

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 101, 149, 169, 182, 202, 298, 338, 364, 404, 596, 676, 707, 1043, 1183, 1313, 1414, 1937, 2086, 2366, 2626, 2828, 3874, 4172, 4732, 5252, 7748, 9191, 13559, 15049, 17069, 18382, 25181, 27118, 30098, 34138, 36764, 50362, 54236, 60196, 68276, 100724, 105343, 119483, 176267, 195637, 210686, 238966, 352534, 391274, 421372, 477932, 705068, 782548, 1369459, 2543281, 2738918, 5086562, 5477836, 10173124, 17802967, 35605934, 71211868]

約数ペア:

[(1, 71211868), (2, 35605934), (4, 17802967), (7, 10173124), (13, 5477836), (14, 5086562), (26, 2738918), (28, 2543281), (52, 1369459), (91, 782548), (101, 705068), (149, 477932), (169, 421372), (182, 391274), (202, 352534), (298, 238966), (338, 210686), (364, 195637), (404, 176267), (596, 119483), (676, 105343), (707, 100724), (1043, 68276), (1183, 60196), (1313, 54236), (1414, 50362), (1937, 36764), (2086, 34138), (2366, 30098), (2626, 27118), (2828, 25181), (3874, 18382), (4172, 17069), (4732, 15049), (5252, 13559), (7748, 9191)]