28207944

素因数分解:

$2^3\times 3^2\times {\mathrm{401}}^1\times {\mathrm{977}}^1$

素因数の和:1390

約数の個数: 48

約数和(自身を含む): 76665420

約数和(自身を除く): 48457476

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 401, 802, 977, 1203, 1604, 1954, 2406, 2931, 3208, 3609, 3908, 4812, 5862, 7218, 7816, 8793, 9624, 11724, 14436, 17586, 23448, 28872, 35172, 70344, 391777, 783554, 1175331, 1567108, 2350662, 3134216, 3525993, 4701324, 7051986, 9402648, 14103972, 28207944]

約数ペア:

[(1, 28207944), (2, 14103972), (3, 9402648), (4, 7051986), (6, 4701324), (8, 3525993), (9, 3134216), (12, 2350662), (18, 1567108), (24, 1175331), (36, 783554), (72, 391777), (401, 70344), (802, 35172), (977, 28872), (1203, 23448), (1604, 17586), (1954, 14436), (2406, 11724), (2931, 9624), (3208, 8793), (3609, 7816), (3908, 7218), (4812, 5862)]