30971822

素因数分解:

$2^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:225

約数の個数: 48

約数和(自身を含む): 56512080

約数和(自身を除く): 25540258

約数列:

[1, 2, 7, 14, 49, 53, 67, 89, 98, 106, 134, 178, 371, 469, 623, 742, 938, 1246, 2597, 3283, 3551, 4361, 4717, 5194, 5963, 6566, 7102, 8722, 9434, 11926, 24857, 33019, 41741, 49714, 66038, 83482, 173999, 231133, 292187, 316039, 347998, 462266, 584374, 632078, 2212273, 4424546, 15485911, 30971822]

約数ペア:

[(1, 30971822), (2, 15485911), (7, 4424546), (14, 2212273), (49, 632078), (53, 584374), (67, 462266), (89, 347998), (98, 316039), (106, 292187), (134, 231133), (178, 173999), (371, 83482), (469, 66038), (623, 49714), (742, 41741), (938, 33019), (1246, 24857), (2597, 11926), (3283, 9434), (3551, 8722), (4361, 7102), (4717, 6566), (5194, 5963)]