209351618

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{503}}^1$

素因数の和:687

約数の個数: 48

約数和(自身を含む): 380588544

約数和(自身を除く): 171236926

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 137, 217, 274, 434, 503, 959, 1006, 1519, 1918, 3038, 3521, 4247, 6713, 7042, 8494, 13426, 15593, 24647, 29729, 31186, 49294, 59458, 68911, 109151, 137822, 208103, 218302, 416206, 482377, 764057, 964754, 1528114, 2136241, 3376639, 4272482, 6753278, 14953687, 29907374, 104675809, 209351618]

約数ペア:

[(1, 209351618), (2, 104675809), (7, 29907374), (14, 14953687), (31, 6753278), (49, 4272482), (62, 3376639), (98, 2136241), (137, 1528114), (217, 964754), (274, 764057), (434, 482377), (503, 416206), (959, 218302), (1006, 208103), (1519, 137822), (1918, 109151), (3038, 68911), (3521, 59458), (4247, 49294), (6713, 31186), (7042, 29729), (8494, 24647), (13426, 15593)]