64978816

素因数分解:

$2^7\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1543}}^1$

素因数の和:1611

約数の個数: 64

約数和(自身を含む): 151188480

約数和(自身を除く): 86209664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 64, 94, 112, 128, 188, 224, 329, 376, 448, 658, 752, 896, 1316, 1504, 1543, 2632, 3008, 3086, 5264, 6016, 6172, 10528, 10801, 12344, 21056, 21602, 24688, 42112, 43204, 49376, 72521, 86408, 98752, 145042, 172816, 197504, 290084, 345632, 507647, 580168, 691264, 1015294, 1160336, 1382528, 2030588, 2320672, 4061176, 4641344, 8122352, 9282688, 16244704, 32489408, 64978816]

約数ペア:

[(1, 64978816), (2, 32489408), (4, 16244704), (7, 9282688), (8, 8122352), (14, 4641344), (16, 4061176), (28, 2320672), (32, 2030588), (47, 1382528), (56, 1160336), (64, 1015294), (94, 691264), (112, 580168), (128, 507647), (188, 345632), (224, 290084), (329, 197504), (376, 172816), (448, 145042), (658, 98752), (752, 86408), (896, 72521), (1316, 49376), (1504, 43204), (1543, 42112), (2632, 24688), (3008, 21602), (3086, 21056), (5264, 12344), (6016, 10801), (6172, 10528)]