208653808

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{229}}^1$

素因数の和:446

約数の個数: 80

約数和(自身を含む): 459970560

約数和(自身を除く): 251316752

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 167, 176, 229, 248, 334, 341, 458, 496, 668, 682, 916, 1336, 1364, 1832, 1837, 2519, 2672, 2728, 3664, 3674, 5038, 5177, 5456, 7099, 7348, 10076, 10354, 14198, 14696, 20152, 20708, 28396, 29392, 38243, 40304, 41416, 56792, 56947, 76486, 78089, 82832, 113584, 113894, 152972, 156178, 227788, 305944, 312356, 420673, 455576, 611888, 624712, 841346, 911152, 1185533, 1249424, 1682692, 2371066, 3365384, 4742132, 6730768, 9484264, 13040863, 18968528, 26081726, 52163452, 104326904, 208653808]

約数ペア:

[(1, 208653808), (2, 104326904), (4, 52163452), (8, 26081726), (11, 18968528), (16, 13040863), (22, 9484264), (31, 6730768), (44, 4742132), (62, 3365384), (88, 2371066), (124, 1682692), (167, 1249424), (176, 1185533), (229, 911152), (248, 841346), (334, 624712), (341, 611888), (458, 455576), (496, 420673), (668, 312356), (682, 305944), (916, 227788), (1336, 156178), (1364, 152972), (1832, 113894), (1837, 113584), (2519, 82832), (2672, 78089), (2728, 76486), (3664, 56947), (3674, 56792), (5038, 41416), (5177, 40304), (5456, 38243), (7099, 29392), (7348, 28396), (10076, 20708), (10354, 20152), (14198, 14696)]