28211958

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 62852400

約数和(自身を除く): 34640442

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 149, 157, 201, 298, 314, 402, 447, 471, 603, 894, 942, 1206, 1341, 1413, 2682, 2826, 9983, 10519, 19966, 21038, 23393, 29949, 31557, 46786, 59898, 63114, 70179, 89847, 94671, 140358, 179694, 189342, 210537, 421074, 1567331, 3134662, 4701993, 9403986, 14105979, 28211958]

約数ペア:

[(1, 28211958), (2, 14105979), (3, 9403986), (6, 4701993), (9, 3134662), (18, 1567331), (67, 421074), (134, 210537), (149, 189342), (157, 179694), (201, 140358), (298, 94671), (314, 89847), (402, 70179), (447, 63114), (471, 59898), (603, 46786), (894, 31557), (942, 29949), (1206, 23393), (1341, 21038), (1413, 19966), (2682, 10519), (2826, 9983)]