71488196

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 147301056

約数和(自身を除く): 75812860

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 67, 68, 71, 134, 142, 221, 268, 284, 289, 442, 578, 871, 884, 923, 1139, 1156, 1207, 1742, 1846, 2278, 2414, 3484, 3692, 3757, 4556, 4757, 4828, 7514, 9514, 14807, 15028, 15691, 19028, 19363, 20519, 29614, 31382, 38726, 41038, 59228, 61841, 62764, 77452, 80869, 82076, 123682, 161738, 247364, 251719, 266747, 323476, 503438, 533494, 1006876, 1051297, 1066988, 1374773, 2102594, 2749546, 4205188, 5499092, 17872049, 35744098, 71488196]

約数ペア:

[(1, 71488196), (2, 35744098), (4, 17872049), (13, 5499092), (17, 4205188), (26, 2749546), (34, 2102594), (52, 1374773), (67, 1066988), (68, 1051297), (71, 1006876), (134, 533494), (142, 503438), (221, 323476), (268, 266747), (284, 251719), (289, 247364), (442, 161738), (578, 123682), (871, 82076), (884, 80869), (923, 77452), (1139, 62764), (1156, 61841), (1207, 59228), (1742, 41038), (1846, 38726), (2278, 31382), (2414, 29614), (3484, 20519), (3692, 19363), (3757, 19028), (4556, 15691), (4757, 15028), (4828, 14807), (7514, 9514)]