209123902

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 372314880

約数和(自身を除く): 163190978

約数列:

[1, 2, 13, 17, 26, 34, 53, 79, 106, 113, 158, 221, 226, 442, 689, 901, 1027, 1343, 1378, 1469, 1802, 1921, 2054, 2686, 2938, 3842, 4187, 5989, 8374, 8927, 11713, 11978, 17459, 17854, 23426, 24973, 34918, 49946, 54431, 71179, 77857, 101813, 108862, 116051, 142358, 151759, 155714, 203626, 232102, 303518, 473131, 925327, 946262, 1323569, 1850654, 1972867, 2647138, 3945734, 6150703, 8043227, 12301406, 16086454, 104561951, 209123902]

約数ペア:

[(1, 209123902), (2, 104561951), (13, 16086454), (17, 12301406), (26, 8043227), (34, 6150703), (53, 3945734), (79, 2647138), (106, 1972867), (113, 1850654), (158, 1323569), (221, 946262), (226, 925327), (442, 473131), (689, 303518), (901, 232102), (1027, 203626), (1343, 155714), (1378, 151759), (1469, 142358), (1802, 116051), (1921, 108862), (2054, 101813), (2686, 77857), (2938, 71179), (3842, 54431), (4187, 49946), (5989, 34918), (8374, 24973), (8927, 23426), (11713, 17854), (11978, 17459)]