1381455728

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{787}}^1\times {\mathrm{3539}}^1$

素因数の和:4365

約数の個数: 40

約数和(自身を含む): 2767203840

約数和(自身を除く): 1385748112

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 787, 1574, 3148, 3539, 6296, 7078, 12592, 14156, 24397, 28312, 48794, 56624, 97588, 109709, 195176, 219418, 390352, 438836, 877672, 1755344, 2785193, 5570386, 11140772, 22281544, 44563088, 86340983, 172681966, 345363932, 690727864, 1381455728]

約数ペア:

[(1, 1381455728), (2, 690727864), (4, 345363932), (8, 172681966), (16, 86340983), (31, 44563088), (62, 22281544), (124, 11140772), (248, 5570386), (496, 2785193), (787, 1755344), (1574, 877672), (3148, 438836), (3539, 390352), (6296, 219418), (7078, 195176), (12592, 109709), (14156, 97588), (24397, 56624), (28312, 48794)]